Question

1. (1 - Cos^2A) cosec^2? A = 1

plz solve this question​

Answer 1

Step-by-step explanation:

(1-Cos^2A)cosec^2A=1

LHS:

(1-cos^2A)cosec^A

=sin^2A×cosec^2A.........(cos^2A+Sin^2A=1 1-cos^2A=sin^2A)

=1

Since LHS=RHS

Hence proved

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Answer 2

u answer is here

i hope it help you

mark my answer

as

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