Thread: trig functions

Find an exact solution to the equation.

1=12cos(3x+1)-5


ok i thought i knew how to do this one, i came up with

x= (arccos(1/2)-1)/3

but it was wrong, if someone could tell me what i did wrong that would be awesome...thanks

mathlete

Originally Posted by mathlete

Find an exact solution to the equation.

1=12cos(3x+1)-5


ok i thought i knew how to do this one, i came up with

x= (arccos(1/2)-1)/3

but it was wrong, if someone could tell me what i did wrong that would be awesome...thanks

mathlete

, for

now continue