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Determine All Solutions of the Equation in Radians $\cos 2 \theta = \frac { 5 } { 6 }$

Question 226

Multiple Choice

Determine all solutions of the equation in radians.
- $\cos 2 \theta = \frac { 5 } { 6 }$ and $\theta$ terminates in quadrant $\mathrm { I } \quad$ Find $\sin \theta$ .

A) $\sin \theta = \frac { \sqrt { 3 } } { 6 }$
B) $\sin \theta = 0$
C) $\sin \theta = 2 \sqrt { 3 }$
D) $\sin \theta = - \frac { \sqrt { 3 } } { 6 }$

Determine All Solutions of the Equation in Radians cos⁡2θ=56\cos 2 \theta = \frac { 5 } { 6 }cos2θ=65​

Multiple Choice

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Determine All Solutions of the Equation in Radians $\cos 2 \theta = \frac { 5 } { 6 }$

Correct Answer:
Verified
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