Product of sines when the angles form a sequence
18285
Prove that $\prod_{k=1}^{n-1}\sin\frac{k \pi}{n} = \frac{n}{2^{n-1}}$
33396
Generalizing a Trig Identity
80177
Sum from $n=1$ to $N$ of $\sin(nx)/2^n$
95673
General formula for $\sin\left(k\arcsin (x)\right)$
141645
Trigonometric series sum proof
9479
$\sum \cos$ when angles are in arithmetic progression
9244
Does the sequence $\{\sin^n(n)\}$ converge?
96065
Question about sines of angles in an acute triangle
18005
Angle notation for complex numbers in polar form
140221
Product of two power series
131080
Geometric representation of the sum of a Geometric Series
59113
Convergence of product of convergent series
16642
Showing $a_n=\sin(n)$ does not converge
84420
When is $\sin(x) = \cos(x)$?
145500
Finite Series - reciprocals of sines
97192
product of harmonic functions
59003
Product of cosines: $ \prod_{r=1}^{7} \cos \left(\frac{r\pi}{15}\right) $