List questions from trigonometry | MathQa

Find all values of $\theta$ such that $cos(2\theta)=1/2$

Published on 12 Jan 2025 - 8:34

Unknown equals to trigonometric equation of itself

Published on 12 Jan 2025 - 8:33

A problem relating to triangles and progressions

Published on 12 Jan 2025 - 8:27

Problem relating to Similar Triangles and Trigonometry:

Published on 12 Jan 2025 - 8:27

$\cot(x+110^\circ)=\cot(x+60^\circ)\cot x\cot(x-60^\circ)$

Published on 12 Jan 2025 - 8:33

How coordinates of P' are (y, x)?

Published on 12 Jan 2025 - 8:34

$ 1 - \cos 2 \Theta$ can be rewritten as $1 - \left( 1 - 2 \sin^2 \Theta\right)$ - I don't understand why though

Published on 12 Jan 2025 - 8:33

What is Cosecant inverse of $x$ equal to?

Published on 12 Jan 2025 - 8:34

Trignometry and Greatest Integer function analysis question .

Published on 12 Jan 2025 - 8:34

Simplification of this trigonometric expression: $\tan(1°)×\tan(2°)×\tan(3°)×\tan(4°)×\cdots×\tan(87°)×\tan(88°)×\tan(89°)$

Published on 12 Jan 2025 - 8:34