y=cos(7g)-cos(4g)

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Solution for y=cos(7g)-cos(4g) equation: 


Simplifying
y = cos(7g) + -1cos(4g)

Remove parenthesis around (7g)
y = cos * 7g + -1cos(4g)

Reorder the terms for easier multiplication:
y = 7cos * g + -1cos(4g)

Multiply cos * g
y = 7cgos + -1cos(4g)

Remove parenthesis around (4g)
y = 7cgos + -1cos * 4g

Reorder the terms for easier multiplication:
y = 7cgos + -1 * 4cos * g

Multiply -1 * 4
y = 7cgos + -4cos * g

Multiply cos * g
y = 7cgos + -4cgos

Combine like terms: 7cgos + -4cgos = 3cgos
y = 3cgos

Solving
y = 3cgos

Solving for variable 'y'.

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

Simplifying
y = 3cgos

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