Evaluating a product of sines
18285
Prove that $\prod_{k=1}^{n-1}\sin\frac{k \pi}{n} = \frac{n}{2^{n-1}}$
30480
Continued product in $\sin$ series
121263
Using $\sin()$ or $\cos()$ for computing SHM?
51787
Evaluate $\int \cos(3x) \sin(2x) \, dx$.
75570
Easy way of memorizing values of sine, cosine, and tangent
91212
Evaluate $\int \cos^3 x\;\sin^2 xdx$
6558
Evaluating the infinite product $\prod\limits_{k=2}^\infty \left ( 1-\frac1{k^2}\right)$
12420
Real world uses of hyperbolic trigonometric functions
132859
How does C compute sin() and other math functions?
18841
Ways to evaluate $\int \sec \theta \, \mathrm d \theta$
101329
Avoiding numerical cancellation question for $\sin x -\sin y$ for $x \approx y$
63155
Express $1+2\cos a$ as a product
117200
Evaluation of $ \sum_{k=0}^n \cos k\theta $
43637
Derivative of the sine function when the argument is measured in degrees
66872
Exact values of $\cos(2\pi/7)$ and $\sin(2\pi/7)$
27513
Trigonometric bounds
77810
Solving Trigonometric Derivatives