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Finding Exact Values of Trig Functions Using Unit Circle

Finding Exact Values of Trig Functions Using Unit Circle. The ( x,y ) points on the unit circle represent the cosine and sine of the angle. Since and , . If we have an angle between 0-360, we can find the trig values using the unit circle.

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Finding Exact Values of Trig Functions Using Unit Circle

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  1. Finding Exact Values of Trig Functions Using Unit Circle

  2. The (x,y) points on the unit circle represent the cosine and sine of the angle.

  3. Since and ,

  4. If we have an angle between 0-360, we can find the trig values using the unit circle.

  5. Ex9) Find the exact value of each trigonometric function.

  6. Ex11) Find the exact value of each trigonometric function.

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