4*cos(7x)-1=0

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Solution for 4*cos(7x)-1=0 equation:


Simplifying
4cos(7x) + -1 = 0

Remove parenthesis around (7x)
4cos * 7x + -1 = 0

Reorder the terms for easier multiplication:
4 * 7cos * x + -1 = 0

Multiply 4 * 7
28cos * x + -1 = 0

Multiply cos * x
28cosx + -1 = 0

Reorder the terms:
-1 + 28cosx = 0

Solving
-1 + 28cosx = 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 + 28cosx = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 28cosx = 0 + 1
28cosx = 0 + 1

Combine like terms: 0 + 1 = 1
28cosx = 1

Divide each side by '28osx'.
c = 0.03571428571o-1s-1x-1

Simplifying
c = 0.03571428571o-1s-1x-1

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