Given: c=58, b=15, angle B=15 degrees a= ?

a. 60
b. 52
c. 56

c. 56

Step-by-step explanation:

To Find a= it would be opposite of angle A.

We could use trig ratios for this question.

Cos B= a/c

Cos 15= a/58

a = (cos15)(58)

a=56

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