Math, asked by 7405413342, 7 months ago

Prove that 1+cosA / 1-cosA = (cosec A + cot A)^2

Answers

Answered by avavishkarma

1

Answer:

(1-cosA)/(1+cosA)

=(1-cosA)/(1+cosA) ×(1-cosA)/(1-cosA)

=(1-cosA)^2 /(1-cos^2A)

=(1-cosA)^2 / (sin^2A)

=(1/sinA - cosA/sinA )^2

=cosecA - cotA)^2

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