5=9cos(4t)

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Solution for 5=9cos(4t) equation:


Simplifying
5 = 9cos(4t)

Remove parenthesis around (4t)
5 = 9cos * 4t

Reorder the terms for easier multiplication:
5 = 9 * 4cos * t

Multiply 9 * 4
5 = 36cos * t

Multiply cos * t
5 = 36cost

Solving
5 = 36cost

Solving for variable 'c'.

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

Add '-36cost' to each side of the equation.
5 + -36cost = 36cost + -36cost

Combine like terms: 36cost + -36cost = 0
5 + -36cost = 0

Add '-5' to each side of the equation.
5 + -5 + -36cost = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -36cost = 0 + -5
-36cost = 0 + -5

Combine like terms: 0 + -5 = -5
-36cost = -5

Divide each side by '-36ost'.
c = 0.1388888889o-1s-1t-1

Simplifying
c = 0.1388888889o-1s-1t-1

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