Math, asked by kumarrohan5544, 11 months ago

prove that root 1-cosA÷1+cosA=cosecA-cotA

Answers

Answered by sandy1816

10

Step-by-step explanation:

√1-cosA/1+cosA

=√1-cosA /1+cosA×1-cosA/1-cosA

=√(1-cosA)²/1-cos²A

=√(1-cosA)²/sin²A

=1-cosA/sinA

=1/sinA-cosA/sinA

=cosecA-cotA

=R.H.S

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