\[\int_{0}^{\pi /8}{{{\cos }^{3}}4\theta d\theta }=\] [Karnataka CET 2004]

\[\int_{0}^{\pi /8}{{{\cos }^{3}}4\theta d\theta }=\] �

1.	\[\int_{0}^{\pi /8}{{{\cos }^{3}}4\theta d\theta }=\] [Karnataka CET 2004]
A.	\[\frac{2}{3}\]
B.	\[\frac{1}{4}\]
C.	\[\frac{1}{3}\]
D.	\[\frac{1}{6}\]
Answer» E.

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\[\int_{0}^{\pi /8}{{{\cos }^{3}}4\theta d\theta }=\] [Karnataka CET 2004]

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