Trig Form Practice Worksheet With Answer Key Page 4
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1
2
3
4Answers to 6.5 Review Worksheet
(
)
(
)
i
i
1a.
6 cos240
sin240
1b.
58 cos293
sin293
+
+
i
i
2a.
3
2b.
1.662 3.639
−
+
+
1
3
1
−
(
)
i
i
3.
cos150
sin150
=
+
+
2
4
4
(
)
i
i
4.
10 cos240
sin240
=
5 5 3
+
− −
i
5.
3888 3 3888
−
−
⎛
π
π
⎞
(
)
i
i
6.
2 cos
sin
or
2 cos11.25
sin11.25
+
+
⎜
⎟
16
16
⎝
⎠
9
9
⎛
π
π
⎞
(
)
i
i
2 cos
sin
or
2 cos101.25
sin101.25
+
+
⎜
⎟
16
16
⎝
⎠
17
17
⎛
π
π
⎞
(
)
i
i
2 cos
sin
or
2 cos191.25
sin191.25
+
+
⎜
⎟
16
16
⎝
⎠
25
25
π
π
⎛
⎞
(
)
i
i
2 cos
sin
or
2 cos281.25
sin281.25
+
+
⎜
⎟
16
16
⎝
⎠
7.
1.532 + 1.286i
-1.879 + 0.684i
0.347 – 1.970i
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