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Q) Prove that : Prove that : (sin θ –

Ans: Let’s start with LHS:

LHS = Prove that : (sin θ –

= Prove that : (sin θ –

= Prove that : (sin θ –

= Prove that : (sin θ –

= Prove that : (sin θ –

= Prove that : (sin θ –

∵ sin2 θ + cos2 θ = 1

∴ LHS = Prove that : (sin θ –

= Prove that : (sin θ –

= Prove that : (sin θ –

= Prove that : (sin θ –

= Prove that : (sin θ –

= Prove that : (sin θ –

= Prove that : (sin θ –

By dividing the numerator & denominator by cos θ, we get:

= Prove that : (sin θ –

= Prove that : (sin θ –

= Prove that : (sin θ – =  RHS

Hence Proved !

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