please solve for me..........

Asked by  | 13th Dec, 2009, 09:18: PM

Expert Answer:

I hope  this 0 is theta θ   since cosec 0 is not defined


Consider LHS

(1/cos θ + 1/sin θ ) (sinθ+cosθ) =   (sinθ+cosθ)/ sin  θ cos  θ

= (sin2 θ+cos2 θ+2sin θcos θ)/ sin  θ cos  θ

= sec θ cosec  θ  +2

Answered by  | 14th Dec, 2009, 09:23: AM

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