Prove the identity: √sec2 θ+cosec2 θ=sec θ cosec θ [4 MARKS]
Formula: 2 Marks Proof: 2 Marks LHS=√sec2 θ+cosec2 θ=√1cos2 θ+1sin2 θ=√sin2 θ+cos2 θcos2 θ sin2 θ=√1cos2 θ sin2 θ=√sec2 θ cosec2 θ=sec θ cosec θ=RHS