Use an identity to solve the following equation on the interval [0,2). 2 sin2x + cos x -1=0 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. x= (Type your answer in radians. Use integers or fractions for any numbers in the expression. Type an exact answer, using as needed. Use a comma to separate answers as needed.) OB. There is no solution.

Use an identity to solve the following equation on the interval [0,2). 2 sin2x + cos x -1=0 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. x= (Type your answer in radians. Use integers or fractions for any numbers in the expression. Type an exact answer, using as needed. Use a comma to separate answers as needed.) OB. There is no solution.

Trigonometry (MindTap Course List)

8th Edition

ISBN:9781305652224

Author:Charles P. McKeague, Mark D. Turner

Publisher:Charles P. McKeague, Mark D. Turner

Chapter1: The Six Trigonometric Functions

Section1.4: Introduction To Identities

Problem 66PS: Which answer correctly uses a Pythagorean identity to find sin if cos=1/4 and terminates in QIV? a....

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