4. Perform the indicated operations. Use principal arguments throughout. (a) [22(x/3)].[32(x/2)] (b) 2cos (c) 4e (2/2), [20-2)][-()] 2i sin

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 93E
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4. Perform the indicated operations. Use principal arguments throughout.
(a) [24(π/3)][34(π/2)]
(b) 2cos
[
9x
Зл
(-2) () ----)
- 2i sin
COS
-isin
4
4
(2/4)
(c) 4e (2/2)
x 3e
97
4
Transcribed Image Text:4. Perform the indicated operations. Use principal arguments throughout. (a) [24(π/3)][34(π/2)] (b) 2cos [ 9x Зл (-2) () ----) - 2i sin COS -isin 4 4 (2/4) (c) 4e (2/2) x 3e 97 4
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