Algebra II
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).
Answer: 3/5
2) Find the exact value of sin(pi/6).
Answer: 1/2
Thanks

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