In triangle , , , and . Find .

Answer and explanation

Correct answer: B.

  1. Step 1: Relative to angle : the opposite side is , the adjacent side is and the hypotenuse is .
  2. Step 2: is opposite over hypotenuse.
  3. Step 3: So .
Answer
.
Why not the others: : this ratio belongs to another trigonometric function or to angle . : this ratio belongs to another trigonometric function or to angle . : this ratio belongs to another trigonometric function or to angle .

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