1.

If 3 tan θ = 3sin θ then (sin2θ – cos2θ) = ?(a) 13(b) 13(c) 3(d) 23

Answer» If 3 tan θ = 3sin θ then (sin2θ – cos2θ) = ?



(a) 13



(b) 13



(c) 3



(d) 23


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