Find sine, cose, and tane on the unit circle when 0 -2 12.-22.1 -2,-2,-1 2' -12-12,1 a. b. a. for all x 0 C. b. for all x + 4 2 d. -2 V220 2 For what values of x is the function f(x) = -1 13m 4-x continuous? x-2 c. for all x 0 except when = 4 d. for all x 4