1.

The integral\(\;\mathop \smallint \nolimits_{\pi /6}^{\pi /3} {\rm{se}}{{\rm{c}}^{2/3}}x{\rm{cose}}{{\rm{c}}^{4/3}}x\;dx{\rm{\;is}}\) equal to:

A. 35⁄6 - 32⁄3
B. 34⁄3 - 31⁄3
C. 37⁄6 - 35⁄6
D. 35⁄3 - 31⁄3
Answer» D. 35⁄3 - 31⁄3


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