Question

1/1+ Sin A + 1/1- Sin A= 2 Sec ^2 A

prove lhs = rhs

urgently ....I need answer​

Answer 1

Answer:

LHS=RHS

Step-by-step explanation:

LHS=1/1+SinA+ 1/1-SinA

LHS=1-SinA + 1+SinA÷1-Sin^2A (cross multiplication)

LHS=2÷Cos^2A (1-Sin^2A=Cos^2A)

LHS= 2Sec^2A ( 1/Cos^2A=Sec^2A)

LHS=RHS

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