##### Question Info

This question is public and is used in 6 tests or worksheets.

Type: Multiple-Choice
Category: Trigonometry
Standards: HSG-SRT.D.10
Author: nsharp1

View all questions by nsharp1.

# Trigonometry Question

View this question.

Add this question to a group or test by clicking the appropriate button below.

## Grade 11 Trigonometry CCSS: HSG-SRT.D.10

Which of the following is true concerning the law of sines and right triangles?
1. The law of sines is not valid for right triangles.
2. The law of sines can only be proved for the acute angles of a right triangle.
3. The law of sines can be easily proved for a right triangle, using trig ratios and the fact that $sin(90°)=1$.
4. The law of sines can proved for a right triangle, and the easiest proof involves the use of the Pythagorean Theorem and the formula for the area of a triangle.
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.