Question

solve cos x tan x - sin^2 x=0 for all real values of x??

Answer 1

\[ \cancel{\cos x} \frac{\sin x}{\cancel \cos x} - \sin^2 x=0=>\sin x(1-\sin x)=0\]
\[\sin x=0 ||\sin x=1\]
\[x=0 || x= \frac{\pi}{2}\]

Answer 2

Thank you!!