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The Unit Circle

The Unit Circle. Quadrant I. Aim: Use the unit circle in order to find the exact value of a trigonometric expression. RememBer. Find the length of the missing side:. 1. y. 1. 1. y. y. x. x. x. Aim: Use the unit circle in order to find the exact value of a trigonometric expression.

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The Unit Circle

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  1. The Unit Circle Quadrant I

  2. Aim: Use the unit circle in order to find the exact value of a trigonometric expression. RememBer • Find the length of the missing side: 1 y 1 1 y y x x x

  3. Aim: Use the unit circle in order to find the exact value of a trigonometric expression. The Unit Circle • Draw a circle whose center at the origin, (0, 0), and has a radius of 1. 1 1 1 1 1

  4. Aim: Use the unit circle in order to find the exact value of a trigonometric expression. Quadrant I • Place Special Triangles into the first quadrant of the Unit Circle then label the points created. ( , ) ( , ) ( , ) 1 ( , ) 1 1 1 60° 45° 30° ( , )

  5. Aim: Use the unit circle in order to find the exact value of a trigonometric expression. SohCah Toa:

  6. Aim: Use the unit circle in order to find the exact value of a trigonometric expression. Critical Angle Table

  7. Aim: Use the unit circle in order to find the exact value of a trigonometric expression. Exact Value The drawing of the Unit Circle (first quadrant) or the table just created can be used to find the exact value of the following trigonometric expression: Find the exact value of

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