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Solve, finding all solutions in [0,2) or [0°,360°). 18 cos²x = 9 The solution(s) in [0°,360°) is/are x = 0. (Type your answer in degrees. Do not include the degree symbol in your answer. Use a comma to separate answers as needed.) The solution(s) in [0,2+) is/are x = (Simplify your answer. Type an exact answer, using as needed. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.)

Solve, finding all solutions in [0,2) or [0°,360°). 18 cos²x = 9 The solution(s) in [0°,360°) is/are x = 0. (Type your answer in degrees. Do not include the degree symbol in your answer. Use a comma to separate answers as needed.) The solution(s) in [0,2+) is/are x = (Simplify your answer. Type an exact answer, using as needed. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.)

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.1: Verifying Trigonometric Identities
Problem 55E
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Solve, finding all solutions in [0,2€) or [0°,360°). 18 cos²x = 9 The solution(s) in [0°,360°) is/are x = (Type your answer in degrees. Do not include the degree symbol in your answer. Use a comma to separate answers as needed.) The solution(s) in [0,2π) is/are x = (Simplify your answer. Type an exact answer, using as needed. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.)
Transcribed Image Text:Solve, finding all solutions in [0,2€) or [0°,360°). 18 cos²x = 9 The solution(s) in [0°,360°) is/are x = (Type your answer in degrees. Do not include the degree symbol in your answer. Use a comma to separate answers as needed.) The solution(s) in [0,2π) is/are x = (Simplify your answer. Type an exact answer, using as needed. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.)
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