SOLUTION: GIVEN cosx = 0.3420 and 90°< x < 360 , determine the value to the nearest degree ____ °

Algebra ->  Trigonometry-basics -> SOLUTION: GIVEN cosx = 0.3420 and 90°< x < 360 , determine the value to the nearest degree ____ °      Log On


   



Question 1181608: GIVEN cosx = 0.3420 and 90°< x < 360 , determine the value to the nearest degree ____ °
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
given:
cos%28x%29=0.342 and the range : 90° <x<360°
x=cos%5E-1%280.342%29
x=1.221752...(result in radians)
x=70°
for the range : 90° <x<360°
x=2pi-1.221752+=5.06143
x=360-70°
x=290°