posted by Lucy on .
1) Find the exact value of cos theta if the terminal side of theta in standard position contains the point (6,-8).
2) Find the exact value of sin(-pi/6).
both are correct
which angle is coterminal with a -400°angle in standard position? A. 40 B. 80 C. 320 D. 400
to answer anonymous' ? i got C.320 the selection a.40 would only apply if it was a positive 400 angle instead of the negative