Question 488372
Find an exact solution to the equation.
1= 8 cos(3 x + 1) - 3
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1= 8 cos(3 x + 1) - 3
4= 8 cos(3 x + 1)
 cos(3 x + 1) =4/8=1/2
3x+1=π/3
3x=π/3-1=(π-3)/3
x=(π-3)/9