Learning Resources

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Outcomes

In this lesson you will

• express points on a coordinate system as trigonometric functions

By the end of this section students will be able to:

• demonstrate an understanding of the relationship between angle rotation and the coordinates of a rotating point
• represent circles using parametric equations
• describe and apply parameter changes within parametric equations of circles
• solve problems involving the equations and characteristics of circles and ellipses

Prerequisites

To be successful in this lesson, it would be helpful to know the following:

• use the calculator to find an angle given its trigonometric value
• related angles on the unit circle
• exact values for the trigonometric functions of 30⁰ , 45⁰ , and 60⁰