To solve this equation, we need to simplify the left side first.
1/2 + 3sin²x - 3sinx
= 1/2 + 3sinx(sinx - 1)
= 1/2 + 3sinx(-cosx)
= 1/2 - 3sinx*cosx
Now, we can rewrite the right side of the equation as:
1/2cos2x = 1/2(2cos²x - 1) = cos²x - 1/2
So, the equation becomes:
1/2 - 3sinx*cosx = cos²x - 1/2
Rearranging the terms, we get:
cos²x - 3sinx*cosx - 1 = 0
Now, we can apply the double angle identity for cosine:
cos²x - 3sinx*cosx - 1 = cos(2x) - 1
cos(2x) - 1 = 0
cos(2x) = 1
Now, for cos(2x) = 1, the possible values of x are:
2x = 0
x = 0
Therefore, the solution to the equation is x = 0.
To solve this equation, we need to simplify the left side first.
1/2 + 3sin²x - 3sinx
= 1/2 + 3sinx(sinx - 1)
= 1/2 + 3sinx(-cosx)
= 1/2 - 3sinx*cosx
Now, we can rewrite the right side of the equation as:
1/2cos2x = 1/2(2cos²x - 1) = cos²x - 1/2
So, the equation becomes:
1/2 - 3sinx*cosx = cos²x - 1/2
Rearranging the terms, we get:
cos²x - 3sinx*cosx - 1 = 0
Now, we can apply the double angle identity for cosine:
cos²x - 3sinx*cosx - 1 = 0
cos²x - 3sinx*cosx - 1 = cos(2x) - 1
cos(2x) - 1 = 0
cos(2x) = 1
Now, for cos(2x) = 1, the possible values of x are:
2x = 0
x = 0
Therefore, the solution to the equation is x = 0.