sinA/(1-cosA)=cosecA +cotA
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Answer:
LHS=RHS. proved
Step-by-step explanation:
sinA/(1-cosA)=cosecA+cotA
LHS=sinA(1+cosA)/(1-cosA)(1+cosA)
=sinA(1+cosA)/1^2-cos^2A)
=sinA+sinAcosA/1-cos^2A
=sinA+sinAcosA/sin^2A
=sinA/sin^2A + sinAcosA/sin^2A
=1/sinA + cosA/sinA
=cosecA + cotA
=RHS. Proved
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