Solving this trigonometric task: $\sqrt{3}\cos{\theta}-\sin{\theta}=R\cos(\theta+\alpha)$
93212
Express $\sqrt{3}\sin\theta - \cos\theta$ as: $a\cos (\theta + \alpha) $
50323
Find the general solution for this equation sin5θcos3θ = sin6θcos2θ.
145559
Trigonometry problem on product of trig functions.
154216
Solve $\sin(z) = z$ in complex numbers
31575
Solving trigonometric equations of the form $a\sin x + b\cos x = c$
60230
Prove that $\frac{1+\sin\theta+i\cos\theta}{1+\sin\theta-i\cos\theta}=\sin\theta+i\cos\theta$
67340
Integrate $\int \frac{dx}{\sqrt{\sin^3x\sin(x+\alpha)}}$
48956
Simplify $\arctan (\frac{1}{2}\tan (2A)) + \arctan (\cot (A)) + \arctan (\cot ^{3}(A)) $
12741
How to prove that: $\tan(3\pi/11) + 4\sin(2\pi/11) = \sqrt{11}$
10289
Need help in proving that $\frac{\sin\theta - \cos\theta + 1}{\sin\theta + \cos\theta - 1} = \frac 1{\sec\theta - \tan\theta}$
84420
When is $\sin(x) = \cos(x)$?
39461
What is the solution of $\cos(x)=x$?
51729
Solve the following equation: $\sqrt {\sin x - \sqrt {\cos x + \sin x} } = \cos x$
52018
Can $\frac{\sqrt{3}}{\sin20^{\circ}}-\frac{1}{\cos20^{\circ}}$ have two values?
43605
If $\sin(a)\sin(b)\sin(c)+\cos(a)\cos(b)=1$ then find the value of $\sin(c)$
131688
Solve $\sin 7x+\sin 3x=0$
1210
Write an expression for $(\cos θ + i\sin θ)^4$ using De Moivre’s Theorem.