List questions from trigonometry

Published on 10 Jun 2018 - 20:51

60

Views

tricky trigonometry task

Published on 10 Jun 2018 - 21:37

113

Views

Prove $\sin^2 a + \sin^2 b + \sin^2 c = 2(1-\cos a \cos b \cos c)$ when $a=b+c$

Published on 10 Jun 2018 - 22:18

66

Views

Proving the identity $\frac{1}{1-\cos3x} + \frac{1}{1+\cos3x}=2\csc^2(3x)$

Published on 10 Jun 2018 - 22:19

43

Views

Trigonometric functions differentiation with number inside the argument part.

Published on 11 Jun 2018 - 10:24

541

Views

A problem in trigonometry

Published on 11 Jun 2018 - 15:07

55

Views

A trigonemetry problem

Published on 11 Jun 2018 - 16:53

40

Views

Are these two solutions of a trigonometric equation both correct?

Published on 11 Jun 2018 - 20:12

76

Views

Function satisfying $f\colon \mathbb{R} \to [-2,2]$ non-trigonometric

Published on 11 Jun 2018 - 22:20

643

Views

integral $\int \frac{1-a\cos x}{1+a^2-2a\cos x}dx$

Published on 25 Mar 2026 - 23:52

360

Views

What tiresome procedure can I follow to find the exact value of inverse trigonometric functions?

Published on 12 Jun 2018 - 2:43

339

Views

Trigonometric inequality with absolute value

Published on 12 Jun 2018 - 7:34

52

Views

Solve for unknown

Published on 12 Jun 2018 - 11:34

55

Views

obtain $y=\cos2\alpha$ knowing $x=\tan\alpha$

Published on 12 Jun 2018 - 12:23

83

Views

Solve $\cos\big(\frac{dy}{dx}\big)=a$ where $a\in\mathbb{R}$; $y=2$ when $x=0$

Published on 25 Mar 2026 - 22:04

List Question

Finding the Exact Value of cos θ?

tricky trigonometry task

Prove $\sin^2 a + \sin^2 b + \sin^2 c = 2(1-\cos a \cos b \cos c)$ when $a=b+c$

Proving the identity $\frac{1}{1-\cos3x} + \frac{1}{1+\cos3x}=2\csc^2(3x)$

Trigonometric functions differentiation with number inside the argument part.

A problem in trigonometry

A trigonemetry problem

Are these two solutions of a trigonometric equation both correct?

Function satisfying $f\colon \mathbb{R} \to [-2,2]$ non-trigonometric

integral $\int \frac{1-a\cos x}{1+a^2-2a\cos x}dx$

What tiresome procedure can I follow to find the exact value of inverse trigonometric functions?

Trigonometric inequality with absolute value

Solve for unknown

obtain $y=\cos2\alpha$ knowing $x=\tan\alpha$

Solve $\cos\big(\frac{dy}{dx}\big)=a$ where $a\in\mathbb{R}$; $y=2$ when $x=0$

Trending Questions

Popular # Hahtags

Popular Questions