4cos20 + 2/3 = 0 on the interval[0, 3t]

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 23E
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7. [A15] Solve each equation for the given domain. Show all your work. Exact values preferred, if not
able to do exact round to two decimal places.
Transcribed Image Text:7. [A15] Solve each equation for the given domain. Show all your work. Exact values preferred, if not able to do exact round to two decimal places.
c) [6] 4cos20 + 2/3 = 0
on the interval[0, 3t]
Transcribed Image Text:c) [6] 4cos20 + 2/3 = 0 on the interval[0, 3t]
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