Answers edited by Alex
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F(t)=sec pi t/4?
How do you multiply
e
5
π
4
i
⋅
e
3
π
2
i
in trigonometric form?
If
cos
(
t
)
=
−
7
8
with
π
≤
t
≤
3
π
2
, how do you find the value of
cos
(
t
2
)
?
How do you find the equation of a line tangent to the function
y
=
(
x
−
2
)
(
x
2
+
1
)
at x=-1?