How to solve the limit (without l´Hopital): [math]\displaystyle\lim_{x \to\frac{\pi}{3}}\frac{\sin(x-\frac{\pi}{3})}{1-2\cos(x)}[/math] - Quora
trigonometry - How to find the general solution of $\tan \left(x+\frac{\pi }{3}\right)+3\tan \left(x-\frac{\pi }{6}\right)=0$ - Mathematics Stack Exchange
sin(3x-pi/4)=1
Example 22 - Prove cos2 x + cos2 (x + pi/3) + cos2 (x - pi/3)
Sum of all the solutions of cosx.cos(π/3 + x). cos(π/3 - x) = 1/4, x ∈[0,6π] is - Sarthaks eConnect | Largest Online Education Community
Solved Find all solutions to the equation. sin (x + pi/3) + | Chegg.com
Prove that sin (x - pi6 ) + cos (x - pi3 ) = √(3)sin x
SOLUTION: Graph {{{y=2sin(3x-pi/2)}}} and find amplitude, period and phase shift