Math Help: Find an unknown angle measure

Refresh your competency in the various areas of Mathematics.

FIND AN UNKNOWN ANGLE MEASURE

In this module, you can study how to use trig ratios (sine, cosine and tangent) to find an unknown side length or unknown angle measure in a right triangle.

Did you know?

The sine, cosine and tangent ratios we're studying here ONLY work with right triangles.

Study and practice

Study finding an angle measure using trig
This page from mathsisfun.com explains how to find the measure of an unknown angle using trig ratios (sine, cosine and tangent). The explanation is followed by worked examples and a set of practice questions.
Quiz yourself on finding an unknown angle measure using trig
Do you know how to find an unknown angle measure using sine, cosine and tangent? Test yourself at mathopolis.com!