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In this learning activity you'll evaluate the Sine, Cosine, and Tangent ratios of a right triangle.
By Roy Peterson
After a brief review, the student solves five practical shop problems using right angle trigonometry.
By Barbara Anderegg
In this learning activity you'll evaluate the six trig functions using a scientific calculator.
This primer introduces the student to the correct method of using the arctangent function on a TI-86 calculator.
By Patrick Hoppe
Learners read how to use the arctangent function to calculate the theta of an angle. The proper keystrokes are displayed.