Question

sin² x+ sin4 x equal to

Answer 1

ĀNSWĒR ⬆⬆⬆

THANKS ✌✌

# NAVI ❤ HARYANVI ♠

Answer 2

cos x=1-cos^2x......eq(1)
again
sin^2x + sin^4x
(1- cos^2x) + sin^4x

cosx + (sin^2x)^2. ....

cosx +(1-cos^2x)^2

cosx + cos^2x

form question

cosx + cos^2x=1

is your answer