Math, asked by spkpspkp, 1 year ago

prove that
sec^2 theta-cot ^2 (90- theta) = cos^2 (90-theta) +cos ^2theta

Answers

Answered by lxnm

0

LHS=sec^2 theta- tan^2theta
=1
RHS=sin^2 theta + cos^2 theta
=1

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