Asked by amaa
Find the values of the trigonometric functions of t if tan t= 3 and the terminal point of t is in quadrant III.
Answers
Answered by
Steve
in QIII, x and y are both negative
so, we have x = -1 y = -3, h=β10
sin t = y/h = -3/β10
cos t = x/h = -1/β10
and their reciprocals.
so, we have x = -1 y = -3, h=β10
sin t = y/h = -3/β10
cos t = x/h = -1/β10
and their reciprocals.
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