Math, asked by rockstar108, 2 months ago

Prove that sin A/1-cos A = cosec A + cotA

Answers

Answered by poojadixit5711

0

sinA1−cosA=cscA+cotA

RHS

cscA+cotA=1sinA+cosAsinA=(1+cosA)sinA=(1+cosA)(1−cosA)sinA(1−cosA)

=1−cos2AsinA(1−cosA)=sin2AsinA(1−cosA)=sinA1−cosA .LHS

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