Q. 14 B5.0( 2 Votes )

Prove the following identities :

sin2 θ(1+ cot2 θ) = 1

Answer :

Taking LHS = sin2 θ(1+ cot2 θ)

= sin2 θ (cosec2 θ) [ cot2 θ +1= cosec2 θ ]



= 1


=RHS


Hence Proved


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