Use the Quadratic Formula to Solve the Given Equation on the Interval

Multiple Choice

Use the Quadratic Formula to solve the given equation on the interval [ $0 , \frac { \pi } { 2 }$ ) ;then use a graphing utility to approximate the angle x.Round answers to three decimal places.​ $75 \cos ^ { 2 } x - 34 \cos x + 3 = 0$ ​

A) x = 1.229,1.433
B) ​x = 1.227,1.422
C) ​x = 1.233,1.469
D) ​x = 1.231,1.451
E) ​x = 1.235,1.480