100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200 Acute Ratios Reference Angles Exact.

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Presentation transcript:

Acute Ratios Reference Angles Exact Values of Ratios What Quadrant? Vocabulary Identities

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500

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200

300

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500

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200

300

400

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100 What is quadrant I?

200 What is quadrant IV?

300 What is quadrant III?

400 What is quadrant III?

500 What is quadrant III?

100 What are complements?

200 What is an obtuse angle?

300 An angle that measures from the horizontal downward to an object What is angle of depression?

400 What is a degree?

500 Measure of a central angle that intercepts an arc equal to the radius of the circle What is a radian?

100

200 What is the quotient identity involving tangent?

300

400 Pythagorean identity involving sine and cosine.

500 Pythagorean identity involving secant and tangent.

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