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# Triangle Trig Relationships

ACTMAT-Y4ZXKN

Triangle $ABC$ is a right triangle with right angle at $B$.

If $\csc A = \frac{25}{7}$, what is $\cos A$?

A

${\cfrac { 7 }{ 25 } }$

B

${\cfrac { 18 }{ 25 } }$

C

${\cfrac { 7 }{ 24 } }$

D

${\cfrac { 24 }{ 7 } }$

E

${\cfrac { 24}{ 25 } }$