Math, asked by jaskaran5046, 9 months ago

Prove that cot theta - cos theta\cot theta+cos thetha=cosec theta -1\cosec theta +1

Answers

Answered by sandy1816

2

Step-by-step explanation:

cotA-cosA\cotA+cosA

=cosA/sinA-cosA\cosA/sinA+cosA

=cosA(1/sinA-1)\cosA(1/sinA+1)

=(1/sinA-1)\(1/sinA+1)

=cscA-1\cscA+1. [csc =cosec]

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