# Trigonometry

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Solve the equation for solutions in the interval [0, 360).

cos 2x= âˆš3/2

Which is the correct answer?

x = 15, 165, 195, 345

x = 30, 90, 150, 270

x = 0, 120, 180, 240

x = 105, 165, 285, 345.

https://brainmass.com/math/trigonometry/solving-trigonometry-equation-29588

#### Solution Summary

The solution shows how to solve a trigonometric equation involving cosine and square roots.

$2.49