Textbook Question
Suppose θ is in the interval (90°, 180°). Find the sign of each of the following.cot(θ + 180°)
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3. Unit Circle
Reference Angles
Back3. Unit Circle
Reference Angles
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Find the reference angle for each angle.
205°
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Find the reference angle for each angle.
5π/4
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23π/4
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Find the reference angle for each angle.
-25π/6
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