List questions from trigonometry

Published on 10 Apr 2026 - 2:27

125

Views

Find $\theta\in [0,2\pi]$ if $\theta = \frac{n\pi}{2}$ and $\theta = \frac{2m\pi}{5} + \frac{\pi}{10}$, where $n,m$ are integers

Published on 09 Apr 2026 - 11:23

1.2k

Views

Deriving formulas for complex trigonometric functions $\sin(z)$ and $\cos(z)$

Published on 15 Apr 2026 - 0:59

396

Views

How to prove $ 1+2\cos x+2\cos 2x = \sin\left(\frac{5x}{2}\right)/\sin\left(\frac{x}{2}\right)$

Published on 16 Apr 2026 - 20:20

102

Views

Proving formula for $\sin(\alpha + \beta)$ with unit circle without making assumptions on $\alpha, \beta$.

Published on 15 Apr 2026 - 10:30

102

Views

limit of $4x\sin(\frac1x)$

Published on 11 Apr 2026 - 18:15

592

Views

Sine/Cosine of Random Angle from $0$ to $2\pi$

Published on 16 Apr 2026 - 4:21

264

Views

Proving Trigonometric “Definitions”

Published on 11 Apr 2026 - 19:17

109

Views

Integrating with universal substitution

Published on 10 Apr 2026 - 4:19

244

Views

Limit with finite sum of power of sine and cosine

Published on 11 Apr 2026 - 13:04

193

Views

Prove $\sin(x) > x - \frac{x^3}{3!} $ on $(0, \sqrt{20})$

Published on 16 Apr 2026 - 7:31

327

Views

What is $\sin(2)$ equal to?

Published on 14 Apr 2026 - 3:06

2.3k

Views

Finding the interior angles of an irregular polygon inscribed on a circle

Published on 13 Apr 2026 - 20:13

101

Views

Is tan(y) = x + C, the same as Y = x/tan + C/tan?

Published on 12 Apr 2026 - 4:47

56

Views

Why is this limit evaluated like so?

Published on 13 Apr 2026 - 23:46

List Question

Know any alternative function names?

Find $\theta\in [0,2\pi]$ if $\theta = \frac{n\pi}{2}$ and $\theta = \frac{2m\pi}{5} + \frac{\pi}{10}$, where $n,m$ are integers

Deriving formulas for complex trigonometric functions $\sin(z)$ and $\cos(z)$

How to prove $ 1+2\cos x+2\cos 2x = \sin\left(\frac{5x}{2}\right)/\sin\left(\frac{x}{2}\right)$

Proving formula for $\sin(\alpha + \beta)$ with unit circle without making assumptions on $\alpha, \beta$.

limit of $4x\sin(\frac1x)$

Sine/Cosine of Random Angle from $0$ to $2\pi$

Proving Trigonometric “Definitions”

Integrating with universal substitution

Limit with finite sum of power of sine and cosine

Prove $\sin(x) > x - \frac{x^3}{3!} $ on $(0, \sqrt{20})$

What is $\sin(2)$ equal to?

Finding the interior angles of an irregular polygon inscribed on a circle

Is tan(y) = x + C, the same as Y = x/tan + C/tan?

Why is this limit evaluated like so?

Trending Questions

Popular # Hahtags

Popular Questions