Question — act-dog

Mathematics Q6

For an angle with measure alpha $α$ in a right triangle, sine of alpha = 5 over 13 $\sin α = \frac{5}{13}$ and tangent of alpha = 5 over 12 $\tan α = \frac{5}{12}$ . What is the value of cosine of alpha $\cos α$ ?

F
12 over 13 12 13
G
12 over the square root of 194 12 194
H
12 over the square root of 119 12 119
J
13 over 12 13 12

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