Choose an inverse function and use SohCahToa to find angle A.

Mathematics

1 answer:

Sergeu [11.5K]3 years ago

6 0

Answer:

$m\angle A=53.13^o$

Step-by-step explanation:

we know that

In the right triangle of the figure

The cosine of angle A is equal to divide the adjacent side to angle A by the hypotenuse

$cos(A)=\frac{6}{10}$ ----> by CAH

Find the measure of the angle A

$m\angle A=cos^{-1}(\frac{6}{10})$

$m\angle A=53.13^o$

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