Science, asked by MadhavPuri, 7 months ago

please help
I will mark the first one to answer right as brainlist answer...

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Answers

Answered by abhishek00001

3

Explanation:

firstly solving denominator we get (1)^2-cos^2A=sin^2A

and now numerator sinA-sinAcosA+sinA+sinAcosA

2sinA

now 2sinA/sin^2A

=2cosecA

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