Question

plzz... someone do this...urgent

Answer 1

Hey dear here is ur answer********
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Given that,

sin theta+sin^2 theta=1

or,sin theta=1-sin^2 theta

or,sin theta=cos^2 theta

or ,sin^2 theta=cos^4 theta

or,1-cos^2 theta=cos^4 theta

or ,cos^4 theta+cos^2 theta=1 [Ans.]

Hope it will help u @@@@@