Where is the angle for −7π8 in a unit circle? I am having difficulty finding...
Tori Hines
Answered
2022-01-23
Where is the angle for in a unit circle?
I am having difficulty finding the angle for in a unit circle. I have found the coordinates for and have to use the symmetry to locate the coordinates for . Is the angle just below the (1,0) and symmetry to ?
Answer & Explanation
Flickkorbma
Expert
2022-01-24Added 17 answers
. So you must rotate your point clockwise through an angle . This will take you to a point directly opposite the point you started from.
oferenteoo
Expert
2022-01-25Added 12 answers
is in the third quadrant. So, using as your reference angle, make both coordinates negative.
(It is also coterminal with , since they differ by .)