how to solve $a\sin x+b\cos x$
31575
Solving trigonometric equations of the form $a\sin x + b\cos x = c$
37108
Solve $\cos(z)=\frac 34+\frac i4$
40235
How would I differentiate $\sin{x}^{\cos{x}}?$
27628
Solving $a \sin\theta + b \cos\theta = c$
59014
Prove that $\sin(2A)+\sin(2B)+\sin(2C)=4\sin(A)\sin(B)\sin(C)$ when $A,B,C$ are angles of a triangle
120797
Trigonometry question finding the sin and tan
95633
Help with this trigonometry problem
40556
Why is $\sin(\alpha+\beta)=\sin\alpha\cos\beta+\sin\beta\cos\alpha$
89319
How can I find all the solutions of $\sin^5x+\cos^3x=1$
102320
Is my solution correct for solving $\cos(z)=2$, $z\in \mathbb{C}$
9539
$\alpha$ and $\beta$ are solution of $a \cdot \tan\theta + b \cdot \sec\theta = c$ show $ \tan(\alpha + \beta) = \frac{2ac}{a^2 - c^2}$
24358
Finding $\int \frac{dx}{a+b \cos x}$ without Weierstrass substitution.
127380
Use vectors to prove $\cos(\beta - \alpha) = \cos \alpha \cos\beta + \sin\alpha \sin\beta$
59791
Determine the exact value of equations involving more two trig variables
16866
How to Prove $a^3 \cos (B-C) + b^3 \cos (C-A)+ c^3 \cos (A-B)=3abc$?
64255
Trigonometry problem
147113
How to solve $2 \tan x / (1 - (\tan x)^2) = (\sin 2x)^2$?