In a right triangle with right angle at , if , what is ?

Answer and explanation

Correct answer: C.

  1. Step 1: With , set opposite and adjacent .
  2. Step 2: Find hypotenuse: .
  3. Step 3: By definition, .
  4. Step 4: Compute: .
Answer
.
Why not the others: '' is ; '' is ; '' is .

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