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how would i evaluate the 6 trig functions of 7pi/4 in fractional form?
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Starting from zero on a unit circle, rotate counterclockwise until the terminal side is at 7π/4 which is a reference angle=π/4 in quadrant IV. Trig functions in quadrant IV as follows:
sin π/4=-√2/2
cos π/4=√2/2
tan π/4=-1
cot π/4=-1
csc π/4=√2
sec π/4=-√2
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