Question

Find all solutions with the interval 0, 2pi of sin^2x+3cos^2x=0

Answer 1

is this the equation: \(\large sin^2x+3cos^2x=0 \) ????

if yes, rewrite \(\large sin^2x \) in terms cosine....
you'll then have a trig equation in quadratic form....

Answer 2

Thanks :)