Applications of Trig: related acute angles, coordinate plane

[Evangeline101]

Homework Statement

Homework Equations

none

The Attempt at a Solution

Two possible locations on the coordinate axis for the terminal arm of angle A:

Two possible values for the measure of angle A and the related acute angle:

Can someone please tell me if I did this correctly?

 

[SammyS]

Homework Statement

View attachment 104789

Homework Equations

none

The Attempt at a Solution

Two possible locations on the coordinate axis for the terminal arm of angle A:
View attachment 104791

Two possible values for the measure of angle A and the related acute angle:

View attachment 104792

Can someone please tell me if I did this correctly?

That looks good.

Are you instructed to round to the nearest 0.1° ?

 

[Evangeline101]

Are you instructed to round to the nearest 0.1° ?

No, I haven't been instructed to do so, but I usually put the rounded number in brackets just in case...

 

[Evangeline101]

That looks good.

Anyway, thanks for verifying my answer :)