Trigonometry curiosity
67988
Trigonometric curiosity
89003
Finding a trigonometric polynomial
24440
Revolving Beacon confusing calculus problem
59791
Determine the exact value of equations involving more two trig variables
120444
Trigonometric Triangle Equality
6634
Evaluate trigonometric function
122233
Trig Fresnel Integral
51979
Is there a geometrical method to prove $x<\frac{\sin x +\tan x}{2}$?
61591
Solve simple trig equation
135543
Proof of Angles going beyond 90 degrees in Trigonometry
9658
What is the length of a sine wave from $0$ to $2\pi$?
153283
Trigonometric Integral Using Residue Theorem
58483
Determining the general solution for the trigonometric equation $ 5\cos(x)-12\sin (x) = 13 $
58777
Good book recommendations on trigonometry
140395
Fit data with linear combinations of Cos and Sin
26698
Math beyond Quaternions
64255
Trigonometry problem