Question

Solve each equation below on the interval 0 ≤ x < 2π.
a. sin 2x - √2sin x = 0
b. sin x + 2tan x = 0
c. 2sin² x + 3cos x – 3 = 0

Answer 1

a)factorıse sın x
\[2 \sin x \cos x=\sqrt 2 \sin x\]
b)
\[\sin x+2\frac{\sin x}{\cos x}=0\]
c)
\[\text{use } \sin ^2x=1-\cos^2x\]
then factorıse