Вычислите:
[tex] \frac{5sin ( \frac{5 \pi }{2}- \alpha )}{8sin( \pi - \alpha )}
\alpha = \frac{5 \pi }{4} [/tex]
[tex] \frac{5sin ( \frac{5 \pi }{2}- \alpha )}{8sin( \pi - \alpha )}
\alpha = \frac{5 \pi }{4} [/tex]
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