3cos(2x)-5cos(x)=1

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Solution for 3cos(2x)-5cos(x)=1 equation: 


Simplifying
3cos(2x) + -5cos(x) = 1

Remove parenthesis around (2x)
3cos * 2x + -5cos(x) = 1

Reorder the terms for easier multiplication:
3 * 2cos * x + -5cos(x) = 1

Multiply 3 * 2
6cos * x + -5cos(x) = 1

Multiply cos * x
6cosx + -5cos(x) = 1

Multiply cos * x
6cosx + -5cosx = 1

Combine like terms: 6cosx + -5cosx = 1cosx
1cosx = 1

Solving
1cosx = 1

Solving for variable 'c'.

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

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

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

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