Question 14 Answer and Explanation _ACT April 2019 Form Z15 Math Section

Question 14 Answer and Explanation _ACT April 2019 Form Z15 Math Section

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14. For an angle with measure $\alpha$ in a right triangle, $\sin{\alpha}=\frac{15}{17}$ and $\tan{\alpha}=\frac{15}{8}$ . What is the value of $\cos{\alpha}$ ?

F. $\frac{17}{8}$

G. $\frac{8}{15}$

H. $\frac{8}{17}$

J. $\frac{8}{\sqrt{161}}$

K. $\frac{8}{\sqrt{514}}$

Answer and Explanation

Your Answer is

Correct Answer is H

Explanation