In a right-angled triangle the hypotenuse is cm and one angle is . Find the length of the side opposite this angle.

Answer and explanation

Correct answer: D.

  1. Step 1: Opposite . Step 2. , so the side is . **Answer: . Why not the others:** : That uses instead of the sine of this angle. : That is the hypotenuse itself. : That uses the sine of a different special angle.

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