In Exercises 57–58, the parametric equations of four plane curves...

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2. Trigonometric Functions on Right Triangles2h 5m

3. Unit Circle1h 19m

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5. Inverse Trigonometric Functions and Basic Trigonometric Equations1h 41m

6. Trigonometric Identities and More Equations34m

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In Exercises 57–58, the parametric equations of four plane curves are given. Graph each plane curve and determine how they differ from each other. x = t and y = t² − 4