Set 4: Trigonometry (Beginner)

[Variation 1] **Choice A is the best answer.** tan = opposite/adjacent = 5/12

Explanation

Answer: A

PROBLEM

Recent studies show that in a right triangle, the opposite side is 5, adjacent side is 12, and hypotenuse is 13. Find tan(angle).

In a right triangle, the opposite side is 5, adjacent side is 12, and hypotenuse is 13. Find tan(angle).

5/12

✓ Correct

5/12

12/13

13/5

Detailed Explanation

[Variation 1] Choice A is the best answer. tan = opposite/adjacent = 5/12

Why others are wrong:

B: 5/12 is incorrect because it does not satisfy the equation.

C: 12/13 is incorrect because it does not satisfy the equation.

D: 13/5 is incorrect because it does not satisfy the equation.