Find θ, 0° ≤ θ < 360°, given the following information. cos θ = -(√(3) )/(2) and θ in QII θ = ________°

asked Mar 23, 2021 38.9k views

2 votes

Find θ, 0° ≤ θ < 360°, given the following information.

cos θ =
-(√(3) )/(2)

and θ in QII
θ = ________°

by Rita

5.0k points

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5 votes

Answer:

Θ = 150°

Explanation:

Given

cosΘ = -
(√(3) )/(2) , then

Θ =
cos^(-1) ( -
(√(3) )/(2) ) = 150° ← angle in second quadrant

Jester answered Mar 30, 2021

5.3k points

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