5. (i)
1/tanA+cotA=sinA cosA
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Step-by-step explanation:
Step-by-step explanation:1/tanA+cotA
=1/ sinA/cosA + cosA/sinA
=1/ sin^2A+cos^2A /sinAcosA
=1 x sin A cos A/ sin^2 A+cos^2 A
=sin A cos A=RHS
Hence proved
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