Math, asked by shivukumarpl2418, 9 days ago

sin (90-A)/cosec(90-A)-cot(90-A)=1+sinA

Answers

Answered by navyarona124

0

Answer:

cos2A=1-sin2A/

Step-by-step explanation:

Consider LHS= sinA sin(90-A)/cot(90-A)

= Sin A cos A/TanA

Sin A Cos A/sin A/cosA

cos square A=1- sin square A

hence proved RHS.

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