3sin.square titta - sin tita = 1/4

Answer 1

3 sin^2 T - sin T = 1/4 ????
let z = sin T

3 z - z = 1/4

z - z/3 = 1/12

z - z/3 + 1/36 = 3 /36 + 1/36 = 4/36 = 1/9

(z-1/6)^2 = 1/9

z = 1/6 +/- 1/3

z = 1/2 or z = -1/6

if sin T = 1/2
T = 30 degrees or pi/6
if sin T = -1/6
T = -9.6 degrees