Contest Problem - Trigonometry
5080
How can we sum up $\sin$ and $\cos$ series when the angles are in arithmetic progression?
71325
Trigonometry pre calculus level question
79125
How to find the maximum value for the given $x\cos{\lambda}+y\sin{\lambda}$?
12014
Solving a multi-variable trig sum to find the max separation btwn 2 ellipses
125597
calculator's angle answer for trig ratios that can work in more than 1 quadrant on the unit circle
38254
Trigonometry Olympiad problem: Evaluate $1\sin 2^{\circ} +2\sin 4^{\circ} + 3\sin 6^{\circ}+\cdots+ 90\sin180^{\circ}$
135120
Oppenheim's Inequality for triangles, American Mathematical Monthly problems
120569
Trigonometric Functions And Identities Question .
143584
Trigonometric ratios for angles greater than $90^\circ$?
21607
Optimisation Problem on Cone
36362
What's wrong with my solution for the birthday problem?
154231
Solving trigonometric equations without a calculator or tables
83222
using trial and error in math problems
40869
Solving Trigonometric Limits
6634
Evaluate trigonometric function
13619
Interference conditions problem
93372
How to solve CSC = sin-1?