f(x)=70cos(7x^8)

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Solution for f(x)=70cos(7x^8) equation: 


Simplifying
f(x) = 70cos(7x8)

Multiply f * x
fx = 70cos(7x8)

Remove parenthesis around (7x8)
fx = 70cos * 7x8

Reorder the terms for easier multiplication:
fx = 70 * 7cos * x8

Multiply 70 * 7
fx = 490cos * x8

Multiply cos * x8
fx = 490cosx8

Solving
fx = 490cosx8

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 490cosx7

Simplifying
f = 490cosx7

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