RosettaKillough RosettaKillough

22-08-2015
Mathematics

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In right ∆PQR, P and Q are acute angles, and cos P is 3/5. What is sin Q? Answers: 4/5 3/5 2/5 3/4

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23-08-2015

[tex]Look\ at\ the\ picture.\\\\cos\alpha=\frac{3}{5};\ cos\alpha=\frac{b}{c}\\\\sin\beta=\frac{b}{c}=cos\alpha\\\\therefore\\\\sin\beta=\frac{3}{5}\\\\Answer:\huge\boxed{\frac{3}{5}}[/tex]

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