Math, asked by rajaman7399, 3 months ago

Prove that : (1 - cosA)(1 + cosA) = (cotA - cosecA)^2

Answers

Answered by sandy1816

2

Step-by-step explanation:

=1-cosA/1+cosA

=(1-cosA)²/sin²A

=[1-cosA/sinA]²

=(cosecA-cotA)²

=(cotA-cosecA)²

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