Question

PLEAAASEEEE HEELLPPP ME ASAPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

which of the following equivalent to tan(5π/6)

tan(-π/6)
tan(-5π/6)
tan(7π/6)
tan(5π/6)

Answer 1

tan 5n/6 is -1/root3. same with tan -n/6. it describes the sine (y) and cosine (x) relationship.

coordinates of 5n/6 radians is (-root3/2, 1/2) y/x = -1/root 3.

tan -n/6 is in opposite, keeping the ratio the same.

tan -n/6 is the answer

Answer 2

If you could verify D), I could give you a more definite answer. As for now, choose A and D if you can choose more than one. If you can't, choose A.