1.

Prove trigonometric identities. cosec√1-cos²=1​

Answer»

ANSWER:

SQUARING both SIDES

cosec^2x(1-cos^2x)

cosec^2x. sin^2x

as we KNOW that, 1- cos^2x =sin^2x

1/sin^2x.sin^2x

as cosec^2x =1/sin^2x

=1


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