Asked by Master chief
Find (if possible) the trig function of the quadrant angle.
sec 3pi/2
sec 3pi/2
Answers
Answered by
bobpursley
well, it is .... 270 degrees....so cosine of 0 is 1, cosine 90 is 0, cosine 180 is -1, cosine 270 is o, so sec = 1/cosine= undetermined...
Answered by
Reiny
At 3π/2, a rotating arm ends up on the negative y-axis (270°)
If we consider a unit circle, then the terminal arm ends up at (0,-1), that is,
x=0, y = -1, r = 1
cos (3π/2) = 0/1 = 0
so sec(3π/2) = 1/cos(3π/2) = 1/0
which would be undefined.
If we consider a unit circle, then the terminal arm ends up at (0,-1), that is,
x=0, y = -1, r = 1
cos (3π/2) = 0/1 = 0
so sec(3π/2) = 1/cos(3π/2) = 1/0
which would be undefined.
Answered by
master chief
IM the real master chief
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