Question

Solve on the interval [0, 2pi)
1- cos theta = 2- sqt3/2

Answer 1

A. 2pi/3, 4pi/3
B. pi/6, 5pi/6
C. pi/6, 11pi/6
D. 7pi/6 , 11pi/6

Answer 2

say cos theta is x
1-x = 2-3^0.5/2......is this the qn?

Answer 3

i think yes

Answer 4

C

Answer 5

sry......x=-1+cos(30)....