Math, asked by sking51, 1 year ago

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prove LHS=RHS

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Answered by hello7777
1

sin A (1-cosA) / (1+cosA)(1-cosA)

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

sinA(1-cosA)/sin^2A

(1-cosA)/sinA

1/sinA - cosA/sinA

cosecA-cotA


sking51: thanks
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