8

Set 5: Trigonometry (Beginner)

Explanation

Answer: C

PROBLEM

Intriguingly, 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).

A.

13/5

B.

12/13

C.

5/12

✓ Correct
D.

5/12

Detailed Explanation

[Variation 2] Choice C is the best answer. tan = opposite/adjacent = 5/12

Why others are wrong:
A: 13/5 is incorrect because it does not satisfy the equation.
B: 12/13 is incorrect because it does not satisfy the equation.
D: 5/12 is incorrect because it does not satisfy the equation.