The Success Center Mithi

In a right triangle, opposite=25, adjacent=60, hypotenuse=65. What is cos θ?

A) 12/13

B) 61/65

C) 10/11

D) 13/12

Answer: A

Explanation: Cosine equals adjacent side divided by hypotenuse; use the standard angle value when given.
Using the values in this question gives 12/13 as the correct answer.

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