Trigonometry.

Asked by khushal305 | 27th Sep, 2009, 11:48: AM

Expert Answer:

tan2 θ - sin2 θ =  sin2 θ/cos 2 θ  - sin2 θ

= sin2 θ(sec2  θ-1)

=sin2 θ tan2 θ  =RHS

Answered by  | 29th Sep, 2009, 04:36: PM

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