1.

If 4tan θ = 3 then (cos2 θ – sin2 θ) = ?(a) 425(b) 725(c) 1(d) 1125

Answer» If 4tan θ = 3 then (cos2 θ – sin2 θ) = ?

(a) 425



(b) 725



(c) 1



(d) 1125


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