SAT Math Practice Question #39837 - SATify | SATify

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SAT Math Practice Question #39837 - SATify | SATify

#39837

trigonometry

triangle

easy

85 sec

In the right triangle shown, if the length of side $BC$ is $x$ , the length of side $A C$ is $y$ , and the length of side $A B$ is $z$ , which expression represents $cos A$ ?

A.

$\frac{x}{z}$

B.

$\frac{y}{z}$

C.

$\frac{x}{y}$

D.

$\frac{y}{x}$