Question

(1-sina-cosa+tana)/sina(1+tana)=sina/1+cosa

Answer 1

Answer:

1-sina-cosa+sina/cosa/sina+sina×sina/cosa

= 1-sina-cosa+sina/sina+sin^2a (cosa and cosa gets cancelled )

= 1-sina-cosa+sina/sina+1-cos^2a

= 1+sina/1+cosa ( 1 cos and cos,sin and sin gets cancelled )

=sina/1+cosa ( 1 and 1 gets cancelled )

•°• LHS = RHS.

• Hope it helps you.

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