3 years ago

Which relationship of angle a is correct? A. Cos(a) = 3/5 B. Cos(a) = 4/3 C. Sin(a) = 3/5 D. Sin(a) = 4/3

1 answer:

6 0

The correct answer is C.
Sin(a) = 3/5.

Use the law of similarity the big and small triangles, and then use the definition of sinus of the ankle.

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