Unit Circle & Trig Functions

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Back

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CCSS.HSF.TF.A.2

Front

True or False: All trig functions are positive in Quadrant IV.

Back

False

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CCSS.HSF.TF.A.2

Front

What is the exact value of sin 150°?

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CCSS.HSF.TF.A.2

Front

In which quadrants is cosθ positive?

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The 1st and 4th quadrants.

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CCSS.HSF.TF.A.2

Front

What is the order of the coordinate pairs for the points on the Unit Circle?

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CCSS.HSF.TF.A.2

Front

Define the Unit Circle.

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A circle with a radius of 1 centered at the origin (0,0) in the coordinate plane.

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CCSS.HSF.TF.A.2

Front

What is the value of sin 90°?

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CCSS.HSF.TF.A.2

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What is the value of cos 0°?

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CCSS.HSF.TF.A.2

Front

What is the relationship between the angles in the Unit Circle and their coordinates?

Back

The coordinates of a point on the Unit Circle are given by (cosθ, sinθ) for an angle θ.

Tags

CCSS.HSF.TF.A.2

Front

What is the value of tan 45°?

Back

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CCSS.HSF.TF.A.2