Exact Trig Values

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Front

Which function corresponds to the y-coordinate on the unit circle?

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Sine

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What radian measure corresponds to the point (x,y) in the third quadrant where x = -1 and y = -1?

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Front

For what angles are sine and cosine equal?

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45° and 225°

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What is the relationship between sine and cosine for complementary angles?

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