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Mathematics 8 Online
OpenStudy (haleyelizabeth2017):

On a separate piece of paper, sketch a unit circle with angle θ in standard position. Use the circle to answer the following questions: ~For what values of θ is the sine increasing? Decreasing? ~For what values of θ is the cosine increasing? Decreasing? ~For which angle between 0° and 360° is sine equal to 0? Where is cosine equal to 0?

OpenStudy (sleepyjess):

@amistre64 @sleepyhead314

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