Question

Prove that :1+ sin theta/1- Sin theta =( sec theta + tan theta)²​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

LHS =

1+sinθ

1−sinθ

Multiply and divide by (1−sinθ)

=

1+sinθ

1−sinθ

×

1−sinθ

1−sinθ

=

cos

2

θ

(1−sinθ)

2

=(

cosθ

1−sinθ

)

2

=(secθ−tanθ)

2

=RHS

Hence proved