Use a calculator to find θ to the nearest tenth of a degree, if and with θ in QII
A)103.5
B)104.7
C)107.0
D)108.0
E)110.0

Question

Use a calculator to find θ  to the nearest tenth of a degree, if  and ​  with  θ in QII ​
A)103.5 
B)104.7 
C)107.0 
D)108.0 
E)110.0

Quizplus · Accepted Answer

To find θ in QII, we need to use the inverse tangent function on the ratio of the y-coordinate to the x-coordinate. 
tan(θ) = y/x

Plugging in the given values: 
tan(θ) = (-6)/(5)

Using a calculator, we find that θ ≈ 107.0 degrees. C is the closest choice to this value.

Use a Calculator to Find θ to the Nearest Tenth