(sec^2 theta - tan^2 theta)-(cot^2 theta - cosec^2 theta)
options:-
a)1
b)0
c)2
d)-2
Answers
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1
L.H.S
=sec2θ−cosec2θ
=1+tan2θ−(1+cot2θ)
=1+tan2θ−1−cot2θ
=tan2θ−cot2θ
= R.H.S
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