Question

(1 − sin2)sec2 = _________. a) 0 b) 1 c) tan2 d) cos2 ​

Answer 1

ans:-1

Step-by-step explanation:

(1-sin^2)=cos^2 so put value in,

(cos^2)sec^2-simply fine

sec^2=1/cos^2 so

cos^2×1/ cos^2

cos-cos cut and ans is( 1)