britany20 britany20

03-03-2019
Mathematics

contestada

what is sin4\5×cos3\5+cos4/5sin3\5

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Kamikazeminem Kamikazeminem

03-03-2019

[tex] \sin( \frac{4}{5} ) \cos( \frac{3}{5} ) + \cos( \frac{4}{5} ) \sin( \frac{3}{5} ) \\ = \sin( \frac{4}{5} + \frac{3}{5} ) = \sin( \frac{7}{5} ) [/tex]

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