Q3 of 61 Page 204

Prove the following identities.

Consider LHS,


LHS =


We know that cosec2θ – cot2θ = 1.


⇒ =


We know that (a + b) (a – b) = a2 – b2.


⇒ =


=


=


= cosecθ + cotθ = RHS


Hence proved.


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