How do you give the six trigonometric function values of -7pi/4?

1 Answer
Nghi N.
Sep 13, 2016

Find values of trig functions

Explanation:

Trig table and unit circle -->
sin ((-7pi)/4) = sin (pi/4 - (8pi)/4) = sin (pi/4 - 2pi) =
= sin (pi/4) = sqrt2/2
cos ((-7pi)/4) = cos (pi/4) = sqrt2/2
tan ((-7pi)/4) = 1
cot ((-7pi)/4) = 1
sec ((-7pi)/4) = sqrt2
csc ((-7pi)/4) = sqrt2

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