Solutions To Exercises Functions Worksheet Page 2
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13Solutions to Exercises
27
Exercise 1(b) Determine the values of the trigonometric functions at the angles:
with radian measure 3π/2.
3π
π
Solution: Since
=
+ π, the coordinates of the point P determined by the angle
2
2
3π
rad are (0, −1). The table below list the desired values or a dash indicates that the
2
function is undefined at 3π/2 rad .
t
P
sin
cos tan cot sec csc
.
3π/2 (0, −1) −1
0
−
0
−
−1
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