In this learning activity you'll evaluate the Sine, Cosine, and Tangent ratios of a right triangle.

In this learning activity you'll evaluate the six trig functions using a scientific calculator.

After a brief review, the student solves five practical shop problems using right angle trigonometry.

This primer introduces the student to the correct method of using the arctangent function on a TI-86 calculator.

Learners read how to use the arctangent function to calculate the theta of an angle. The proper keystrokes are displayed.