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In which quadrant(s) is sin >0? In which quadrant is sin <0 and tan>0? What is the reference angle to 100 degrees? If the reference

In which quadrant(s) is sin>0?

In which quadrant is sin<0 and tan>0?

What is the reference angle to 100 degrees?

If the reference angle is 55 degrees, then what is the equivalent angle in quadrant III?

Using your calculator, find the reference angle to the nearest degree.

cos=11/4

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