Question

prove that , LHS = RHS​

Answer 1

Answer:

when cos =sin the it is proved

hence proved

Step-by-step explanation:

hence proved hence proved hence proved okkkk

Answer 2

Answer:

Multiply both numerator and denominator by cosθ in first case.

Multiply by sinθ

Step-by-step explanation:

When we multiply by costheta, it becomes tantheta×costheta= sintheta/costheta×costheta

Thus it becomes. Sinx/(1-cosx)

Similarly for the 2nd

I've written x instead of theta cuz it is tiresome.

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