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Trigonometry
Question

In right triangle \( A B C , m \angle C = 90 ^ { \...

In right triangle \( A B C , m \angle C = 90 ^ { \circ } \) . If \( \cos B = \frac { 5 } { 13 } \) , which function also equals \( \frac { 5 } { 13 } ? \) 

1) \( \tan A \) 

2) \( \tan B \) 

3) \( \sin A \) 

4) \( \sin B\) 

Answer

3rd option

Solution
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