Math, asked by nxd123co, 11 months ago

CotA - CosA / cotA + CosA = cosecA - 1 / cosecA + 1

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Answered by ppawanmalik6397

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Answered by yb897097

cotA-cosA) /(cotA+cosA)

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

=(cosA-cosAsinA) /(cosA+cosA sinA)

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

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

=(1–1/cosecA)/(1+1/cosecA)

=(cosecA-1)/(cosecA+1)

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