Question

P.T(1/1+sinA)+(1/1-sinA)=2(secA.secA)
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Answer 1

Answer:

Ist take LCM

in LHS,

then it will become

2/1-sin^2A

(sin^2A+cos^2A=1)

so,2/(1-sin^2A)=2/cos ^2A=2(secA.secA)=RHS

PROVED....