Activity Overview
Students use the calculator to solve trigonometry problems using sine, cosine, and tangent. They also find inverses of trigonometric functions.
Before the Activity
Set the angle mode of the calculator to degrees
See the attached PDF file for detailed instructions for this activity
Print pages 87 - 90 from the attached PDF file for your class
During the Activity
Distribute the pages to the class.
Follow the activity procedures:
Understand the relationship between the sides and angles of a right triangle
Calculate the length of a side of a right triangle, given the angles and length of at least one side
Use the calculator to find the decimal form of the sine of an angle given in degree-minute-second form
Understand how to calculate the angle of depression by identifying a trigonometric ratio, and using the corresponding equation
Use the formulas of the trigonometric ratios to solve problems
After the Activity
Students complete the Student Activity pages.
Review student results
As a class, discuss questions that appeared to be more challenging
Re-teach concepts as necessary