4cos(3t)-1=0

Solution for 4cos(3t)-1=0 equation:

Simplifying
4cos(3t) + -1 = 0

Remove parenthesis around (3t)
4cos * 3t + -1 = 0

Reorder the terms for easier multiplication:
4 * 3cos * t + -1 = 0

Multiply 4 * 3
12cos * t + -1 = 0

Multiply cos * t
12cost + -1 = 0

Reorder the terms:
-1 + 12cost = 0

Solving
-1 + 12cost = 0

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + 12cost = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 12cost = 0 + 1
12cost = 0 + 1

Combine like terms: 0 + 1 = 1
12cost = 1

Divide each side by '12ost'.
c = 0.08333333333o-1s-1t-1

Simplifying
c = 0.08333333333o-1s-1t-1