What are the six trig function values of #(-7pi)/4#?

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What are the six trig function values of #(-7pi)/4#?

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Answer 1 · 2015-11-02T16:34:04

Find the six trig function values of# ((-7pi)/4)#

Explanation:

#sin ((-7pi)/4) = sin (pi/4 - 2pi) = sin (pi/4) = sqrt2/2#
#cos ((-7pi)/4) = cos (pi/4 - 2pi) = cos (pi/4) = sqrt2/2#
#tan ((-7pi)/4) = sin/(cos) = 1#
#cot ((-7pi)/4) = 1/(tan) = 1#
#sec ((-7pi)/4) = 1/(cos) = 2/sqrt2 = sqrt2#
#csc ((-7pi)/4) = 1/(sin) = 2/sqrt2 = sqrt2#

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What are the six trig function values of #(-7pi)/4#?

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