1.

The value of \(\mathop \smallint \limits_0^{\frac{\pi }{2}} {\sin ^7}xco{s^4}xdx\) is equal to:

A. \(\frac{{16}}{{5115}}\)
B. \(\frac{{16}}{{1155}}\)
C. \(\frac{{16}}{{1515}}\)
D. \(\frac{{16}}{{1551}}\)
Answer» C. \(\frac{{16}}{{1515}}\)


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