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三角函数真值表

  • 2021.12.02 10:36:12
  • 米思米
  • 2551

θ

deg(角度)=0°00’~11°50’时


deg(角度°)

sinθ的真值

cosθ的真值

tanθ的真值

cotθ的真值

00

.0000

1.0000

.0000

90°

00

10

.0029

1.0000

.0029

343.77

89°

50

20

.0058

1.0000

.0058

171.89

40

30

.0087

1.0000

.0087

114.59

30

40

.0116

0.9999

.0116

85.940

20

50

.0145

.9999

.0145

68.750

10

00

.0175

.9998

.0175

57.290

00

10

.0204

.9998

.0204

49.104

88°

50

20

.0233

.9997

.0233

42.964

40

30

.0262

.9997

.0262

38.188

30

40

.0291

.9996

.0291

34.368

20

50

.0320

.9995

.0320

31.242

10

00

.0349

.9994

.0349

28.636

00

10

.0378

.9993

.0378

26.432

87°

50

20

.0407

.9992

.0407

24.542

40

30

.0436

.9990

.0437

22.904

30

40

.0465

.9989

.0466

21.470

20

50

.0494

.9988

.0495

20.206

10

00

.0523

.9986

.0524

19.081

00

10

.0552

.9985

.0553

18.075

86°

50

20

.0581

.9983

.0582

17.169

40

30

.0610

.9981

.0612

16.350

30

40

.0640

.9980

.0641

15.605

20

50

.0669

.9978

.0670

14.924

10

00

.0698

.9976

.0699

14.301

00

10

.0727

.9974

.0729

13.727

85°

50

20

.0756

.9971

.0758

13.197

40

30

.0785

.9969

.0787

12.706

30

40

.0814

.9967

.0816

12.251

20

50

.0843

.9964

.0846

11.826

10

00

.0872

.9962

.0875

11.430

00

10

.0901

.9959

.0904

11.059

84°

50

20

.0929

.9957

.0934

10.712

40

30

.0958

.9954

.0963

10.385

30

40

.0987

.9951

.0992

10.078

20

50

.1016

.9948

.1022

9.7882

10

00

.1045

.9945

.1051

9.5144

00

10

.1074

.9942

.1080

9.2553

83°

50

20

.1103

.9939

.1110

9.0098

40

30

.1132

.9936

.1139

8.7769

30

40

.1161

.9932

.1169

8.5555

20

50

.1190

.9929

.1198

8.3450

10

00

.1219

.9925

.1228

8.1443

00

10

.1248

.9922

.1257

7.9530

82°

50

20

.1276

.9918

.1287

7.7704

40

30

.1305

.9914

.1317

7.5958

30

40

.1334

.9911

.1346

7.4287

20

50

.1363

.9907

.1376

7.2687

10

00

.1392

.9903

.1405

7.1154

00

10

.1421

.9899

.1435

6.9682

81°

50

20

.1449

.9894

.1465

6.8269

40

30

.1478

.9890

.1495

6.6912

30

40

.1507

.9886

.1524

6.5606

20

50

.1536

.9881

.1554

6.4348

10

00

.1564

.9877

.1584

6.3138

00

10

.1593

.9872

.1614

6.1970

80°

50

20

.1622

.9868

.1644

6.0844

40

30

.1650

.9863

.1673

5.9758

30

40

.1679

.9858

.1703

5.8708

20

50

.1708

.9853

.1733

5.7694

10

10°

00

.1736

.9848

.1763

5.6713

00

10

.1765

.9843

.1793

5.5764

79°

50

20

.1794

.9838

.1823

5.4845

40

30

.1822

.9833

.1853

5.3955

30

40

.1851

.9827

.1883

5.3093

20

50

.1880

.9822

.1914

5.2257

10

11°

00

.1908

.9816

.1944

5.1446

00

10

.1937

.9811

.1974

5.0658

78°

50

20

.1965

.9805

.2004

4.9894

40

30

.1994

.9799

.2035

4.9152

30

40

.2022

.9793

.2065

4.8430

20

50

.2051

.9787

.2095

4.7729

10


cosθ的真值

sinθ的真值

cotθ的真值

tanθ的真值

deg(角度°)

deg(角度)=78°10’~90°00’时

θ

θ

deg(角度)=12°00’~23°50’时


deg(角度°)

sinθ的真值

cosθ的真值

tanθ的真值

cotθ的真值

12°

00

.2079

.9781

.2126

4.7046

78°

00

10

.2108

.9775

.2156

4.6382

77°

50

20

.2136

.9769

.2186

4.5736

40

30

.2164

.9763

.2217

4.5107

30

40

.2193

.9757

.2247

4.4494

20

50

.2221

.9750

.2278

4.3897

10

13°

00

.2250

.9744

.2309

4.3315

00

10

.2278

.9737

.2339

4.2747

76°

50

20

.2306

.9730

.2370

4.2193

40

30

.2334

.9724

.2401

4.1653

30

40

.2363

.9717

.2432

4.1126

20

50

.2391

.9710

.2462

4.0611

10

14°

00

.2419

.9703

.2493

4.0108

00

10

.2447

.9696

.2524

3.9617

75°

50

20

.2476

.9689

.2555

3.9136

40

30

.2504

.9681

.2586

3.8667

30

40

.2532

.9674

.2617

3.8208

20

50

.2560

.9667

.2648

3.7760

10

15°

00

.2588

.9659

.2679

3.7321

00

10

.2616

.9652

.2711

3.6891

74°

50

20

.2644

.9644

.2742

3.6470

40

30

.2672

.9636

.2773

3.6059

30

40

.2700

.9628

.2805

3.5656

20

50

.2728

.9621

.2836

3.5261

10

16°

00

.2756

.9613

.2867

3.4874

00

10

.2784

.9605

.2899

3.4495

73°

50

20

.2812

.9596

.2931

3.4124

40

30

.2840

.9588

.2962

3.3759

30

40

.2868

.9580

.2994

3.3402

20

50

.2896

.9572

.3026

3.3052

10

17°

00

.2924

.9563

.3057

3.2709

00

10

.2952

.9555

.3089

3.2371

72°

50

20

.2979

.9546

.3121

3.2041

40

30

.3007

.9537

.3153

3.1716

30

40

.3035

.9528

.3185

3.1397

20

50

.3062

.9520

.3217

3.1084

10

18°

00

.3090

.9511

.3249

3.0777

00

10

.3118

.9502

.3281

3.0475

71°

50

20

.3145

.9492

.3314

3.0178

40

30

.3173

.9483

.3346

2.9887

30

40

.3201

.9474

.3378

2.9600

20

50

.3228

.9465

.3411

2.9319

10

19°

00

.3256

.9455

.3443

2.9042

00

10

.3283

.9446

.3476

2.8770

70°

50

20

.3311

.9436

.3508

2.8502

40

30

.3338

.9426

.3541

2.8239

30

40

.3365

.9417

.3574

2.7980

20

50

.3393

.9407

.3607

2.7725

10

20°

00

.3420

.9397

.3640

2.7475

00

10

.3448

.9387

.3673

2.7228

69°

50

20

.3475

.9377

.3706

2.6985

40

30

.3502

.9367

.3739

2.6746

30

40

.3529

.9356

.3772

2.6511

20

50

.3557

.9346

.3805

2.6279

10

21°

00

.3584

.9336

.3839

2.6051

00

10

.3611

.9325

.3872

2.5826

68°

50

20

.3638

.9315

.3906

2.5605

40

30

.3665

.9304

.3939

2.5386

30

40

.3692

.9293

.3973

2.5172

20

50

.3719

.9283

.4006

2.4960

10

22°

00

.3746

.9272

.4040

2.4751

00

10

.3773

.9261

.4074

2.4545

67°

50

20

.3800

.9250

.4108

2.4342

40

30

.3827

.9239

.4142

2.4142

30

40

.3854

.9228

.4176

2.3945

20

50

.3881

.9216

.4210

2.3750

10

23°

00

.3907

.9205

.4245

2.3559

00

10

.3934

.9194

.4279

2.3369

66°

50

20

.3961

.9182

.4314

2.3183

40

30

.3987

.9171

.4348

2.2998

30

40

.4014

.9159

.4383

2.2817

20

50

.4041

.9147

.4417

2.2637

10


cosθ的真值

sinθ的真值

cotθ的真值

tanθ的真值

deg(角度°)

deg(角度)=66°10’~78°00’时

θ

θ

deg(角度)=24°00’~35°50’时


deg(角度°)

sinθ的真值

cosθ的真值

tanθ的真值

cotθ的真值

24°

00

.4067

.9135

.4452

2.2460

66°

00

10

.4094

.9124

.4487

2.2286

65°

50

20

.4120

.9112

.4522

2.2113

40

30

.4147

.9100

.4557

2.1943

30

40

.4173

.9088

.4592

2.1775

20

50

.4200

.9075

.4628

2.1609

10

25°

00

.4226

.9063

.4663

2.1445

00

10

.4253

.9051

.4699

2.1283

64°

50

20

.4279

.9038

.4734

2.1123

40

30

.4305

.9026

.4770

2.0965

30

40

.4331

.9013

.4806

2.0809

20

50

.4358

.9001

.4841

2.0655

10

26°

00

.4384

.8988

.4877

2.0503

00

10

.4410

.8975

.4913

2.0353

63°

50

20

.4436

.8962

.4950

2.0204

40

30

.4462

.8949

.4986

2.0057

30

40

.4488

.8936

.5022

1.9912

20

50

.4514

.8923

.5059

1.9768

10

27°

00

.4540

.8910

.5095

1.9626

00

10

.4566

.8897

.5132

1.9486

62°

50

20

.4592

.8884

.5169

1.9347

40

30

.4617

.8870

.5206

1.9210

30

40

.4643

.8857

.5243

1.9074

20

50

.4669

.8843

.5280

1.8940

10

28°

00

.4695

.8829

.5317

1.8807

00

10

.4720

.8816

.5354

1.8676

61°

50

20

.4746

.8802

.5392

1.8546

40

30

.4772

.8788

.5430

1.8418

30

40

.4797

.8774

.5467

1.8291

20

50

.4823

.8760

.5505

1.8165

10

29°

00

.4848

.8746

.5543

1.8040

00

10

.4874

.8732

.5581

1.7917

60°

50

20

.4899

.8718

.5619

1.7796

40

30

.4924

.8704

.5658

1.7675

30

40

.4950

.8689

.5696

1.7556

20

50

.4975

.8675

.5735

1.7437

10

30°

00

.5000

.8660

.5774

1.7321

00

10

.5025

.8646

.5812

1.7205

59°

50

20

.5050

.8631

.5851

1.7090

40

30

.5075

.8616

.5890

1.6977

30

40

.5100

.8601

.5930

1.6864

20

50

.5125

.8587

.5969

1.6753

10

31°

00

.5150

.8572

.6009

1.6643

00

10

.5175

.8557

.6048

1.6534

58°

50

20

.5200

.8542

.6088

1.6426

40

30

.5225

.8526

.6128

1.6319

30

40

.5250

.8511

.6168

1.6212

20

50

.5275

.8496

.6208

1.6107

10

32°

00

.5299

.8480

.6249

1.6003

00

10

.5324

.8465

.6289

1.5900

57°

50

20

.5348

.8450

.6330

1.5798

40

30

.5373

.8434

.6371

1.5697

30

40

.5398

.8418

.6412

1.5597

20

50

.5422

.8403

.6453

1.5497

10

33°

00

.5446

.8387

.6494

1.5399

00

10

.5471

.8371

.6536

1.5301

56°

50

20

.5495

.8355

.6577

1.5204

40

30

.5519

.8339

.6619

1.5108

30

40

.5544

.8323

.6661

1.5013

20

50

.5568

.8307

.6703

1.4919

10

34°

00

.5592

.8290

.6745

1.4826

00

10

.5616

.8274

.6787

1.4733

55°

50

20

.5640

.8258

.6830

1.4641

40

30

.5664

.8241

.6873

1.4550

30

40

.5688

.8225

.6916

1.4460

20

50

.5712

.8208

.6959

1.4370

10

35°

00

.5736

.8192

.7002

1.4281

00

10

.5760

.8175

.7046

1.4193

54°

50

20

.5783

.8158

.7089

1.4106

40

30

.5807

.8141

.7133

1.4019

30

40

.5831

.8124

.7177

1.3934

20

50

.5854

.8107

.7221

1.3848

10


cosθ的真值

sinθ的真值

cotθ的真值

tanθ的真值

deg(角度°)

deg(角度)=54°10’~66°00’时

θ


θ

deg(角度)=36°00’~45°00’时


deg(角度°)

sinθ的真值

cosθ的真值

tanθ的真值

cotθ的真值

36°

00

.5878

.8090

.7265

1.3764

54°

00

10

.5901

.8073

.7310

1.3680

53°

50

20

.5925

.8056

.7355

1.3597

40

30

.5948

.8039

.7400

1.3514

30

40

.5972

.8021

.7445

1.3432

20

50

.5995

.8004

.7490

1.3351

10

37°

00

.6018

.7986

.7536

1.3270

00

10

.6041

.7969

.7581

1.3190

52°

50

20

.6065

.7951

.7627

1.3111

40

30

.6088

.7934

.7673

1.3032

30

40

.6111

.7916

.7720

1.2954

20

50

.6134

.7898

.7766

1.2876

10

38°

00

.6157

.7880

.7813

1.2799

00

10

.6180

.7862

.7860

1.2723

51°

50

20

.6202

.7844

.7907

1.2647

40

30

.6225

.7826

.7954

1.2572

30

40

.6248

.7808

.8002

1.2497

20

50

.6271

.7790

.8050

1.2423

10

39°

00

.6293

.7771

.8098

1.2349

00

10

.6316

.7753

.8146

1.2276

50°

50

20

.6338

.7735

.8195

1.2203

40

30

.6361

.7716

.8243

1.2131

30

40

.6383

.7698

.8292

1.2059

20

50

.6406

.7679

.8342

1.1988

10

40°

00

.6428

.7660

.8391

1.1918

00

10

.6450

.7642

.8441

1.1847

49°

50

20

.6472

.7623

.8491

1.1778

40

30

.6494

.7604

.8541

1.1708

30

40

.6517

.7585

.8591

1.1640

20

50

.6539

.7566

.8642

1.1571

10

41°

00

.6561

.7547

.8693

1.1504

00

10

.6583

.7528

.8744

1.1436

48°

50

20

.6604

.7509

.8796

1.1369

40

30

.6626

.7490

.8847

1.1303

30

40

.6648

.7470

.8899

1.1237

20

50

.6670

.7451

.8952

1.1171

10

42°

00

.6691

.7431

.9004

1.1106

00

10

.6713

.7412

.9057

1.1041

47°

50

20

.6734

.7392

.9110

1.0977

40

30

.6756

.7373

.9163

1.0913

30

40

.6777

.7353

.9217

1.0850

20

50

.6799

.7333

.9271

1.0786

10

43°

00

.6820

.7314

.9325

1.0724

00

10

.6841

.7294

.9380

1.0661

46°

50

20

.6862

.7274

.9435

1.0599

40

30

.6884

.7254

.9490

1.0538

30

40

.6905

.7234

.9545

1.0477

20

50

.6926

.7214

.9601

1.0416

10

44°

00

.6947

.7193

.9657

1.0355

00

10

.6967

.7173

.9713

1.0295

45°

50

20

.6988

.7153

.9770

1.0235

40

30

.7009

.7133

.9827

1.0176

30

40

.7030

.7112

.9884

1.0117

20

50

.7050

.7092

.9942

1.0058

10

45°

00

.7071

.7071

1.0000

1.0000

00


cosθ的真值

sinθ的真值

cotθ的真值

tanθ的真值

deg(角度°)

deg(角度)=45°00’~54°00’时

θ

根据真值表计算三角函数真值的方法


deg(角度)为0°00′~45°00′时


    请选择真值表左侧的θ栏,找到deg(角度°)。

    确认记载在真值表上方的三角函数种类,计算出目标deg(角度°)的真值。

ex.)    sin 5°= 0.0872

          cos5°= 0.9962

          tan5°= 0.0875

          cot5°=11.430

deg(角度)为45°00′~90°00′时


    请选择真值表右侧的θ栏,找到deg(角度°)。

    确认记载在真值表下方的三角函数种类,计算出目标deg(角度°)的真值。

ex.)    sin 85°= 0.9962

          cos85°= 0.0872

          tan85°=11.430

          cot85°= 0.0875

三角函数真值表

deg(角度°)包含小数点以下的部分时,请换算为度°分′之后再使用。

ex.) 5.5°表示5°30′(530分)。(1度=60分)

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