Solve the equation for all degree solutions and if 0° ≤ (theta) < 360°. Do not use a calculator. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) 2 cos2 (theta) + 9 cos (theta) = −4 (a) all degree solutions (Let k be any integer.) (theta) = (b) 0° ≤ (theta) < 360° (theta) =
Solve the equation for all degree solutions and if 0° ≤ (theta) < 360°. Do not use a calculator. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) 2 cos2 (theta) + 9 cos (theta) = −4 (a) all degree solutions (Let k be any integer.) (theta) = (b) 0° ≤ (theta) < 360° (theta) =
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 60E
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Question
Solve the equation for all degree solutions and if
0° ≤ (theta) < 360°.
Do not use a calculator. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)
2 cos2 (theta) + 9 cos (theta) = −4
(a) all degree solutions (Let k be any integer.)
(theta) =
(b) 0° ≤ (theta) < 360°
(theta) =
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