Set 4: Trigonometry (Intermediate)

[Variation 3] **Choice A is the best answer.** opposite = sin(A) times hypotenuse = 3/5 times 5 = 3

Explanation

Answer: A

PROBLEM

Researchers have observed that in a right triangle, sin(A) = 3/5 and the hypotenuse is 5. Find the opposite side.

In a right triangle, sin(A) = 3/5 and the hypotenuse is 5. Find the opposite side.

✓ Correct

Detailed Explanation

[Variation 3] Choice A is the best answer. opposite = sin(A) times hypotenuse = 3/5 times 5 = 3

Why others are wrong:

B: 4 is incorrect because it does not satisfy the equation.

C: 5 is incorrect because it does not satisfy the equation.

D: 2 is incorrect because it does not satisfy the equation.