a) \(\frac {1}{6}\)
b) \(\frac {1}{4}\)
c) \(\frac {1}{8}\)
d) \(\frac {3}{8}\)
If cos θ = \(\frac {3}{4}\) then value of cos 2θ is ___________
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If cos θ = \(\frac {3}{4}\) then value of cos 2θ is ___________
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