Q27 of 805 Page 427

Prove that:

Given: L.H.S. =


Since we know


So L.H.S. =


Multiplying Numerator & Denominator with sin θ -1 + cos θ we get


L.H.S. =


⇒


Since sin2 θ + cos2 θ = 1


⇒


⇒


⇒


L.H.S. = R.H.S.


Hence Proved


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