SOLUTION: Solve the equation. (Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radians.) 5 cos x + 3 = -cos x X=????

Algebra ->  Trigonometry-basics -> SOLUTION: Solve the equation. (Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radians.) 5 cos x + 3 = -cos x X=????       Log On


   

Question 911315: Solve the equation. (Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radians.)
5 cos x + 3 = -cos x
X=????
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
5cos x + 3 = -cos x
6cosx = -3
cosx = -1/2
x = 2pi/3 + 2pin, 4pi/3 + 2pin
(c0sx, sinx) summary Unit circle
.