Find All Solutions to the Equation in the Interval [0 $\cos x = \sin 2 x$

question 28

Multiple Choice

Find all solutions to the equation in the interval [0, 2) .
- $\cos x = \sin 2 x$

• A) \(0 , \pi\)
• B) \(\frac { \pi } { 2 } , \frac { 3 \pi } { 2 }\)
• C) \(\frac { \pi } { 6 } , \frac { \pi } { 2 } , \frac { 5 \pi } { 6 } , \frac { 3 \pi } { 2 }\)
• D) \(0 , \frac { \pi } { 6 } , \frac { 5 \pi } { 6 } , \pi\)

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