Question

please help me in this question​

Answer 1

Answer:

Answer=1.

Step-by-step explanation:

Given, sinθ+sin^2θ=1

⇒sinθ=1−sin^2θ

=cos^2θ

Therefore,

cos^2θ+cos^4θ

=cos^2θ(1+cos^2θ)

=sinθ(1+sinθ)

=sinθ+sin^2θ=1

Answer 2

Step-by-step explanation:

hope it help you...........