Question

step by step answer

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Answer 1

I will hope this will help you

Answer 2

Answer:

Step-by-step explanation:

From LHS

=>sin^2A+(1+cosA)^2/(1+cosA).sinA

=>sin^2A+1+2cosA+cos^2A/(1+cosa).sins

=>(sin^2A+cos^2A)+1+2cosA/(1+cosa). sinA

=>1+1+2cosA/(1+cosA).sinA

=>2+2cosA/(1+cosA).sinA

=>2(1+cosA)/(1+cosA).sinA

=>2/sinA

=>2×1/sinA

=>2cosecA=RHS