12=18cos(17t)

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Solution for 12=18cos(17t) equation:


Simplifying
12 = 18cos(17t)

Remove parenthesis around (17t)
12 = 18cos * 17t

Reorder the terms for easier multiplication:
12 = 18 * 17cos * t

Multiply 18 * 17
12 = 306cos * t

Multiply cos * t
12 = 306cost

Solving
12 = 306cost

Solving for variable 'c'.

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

Add '-306cost' to each side of the equation.
12 + -306cost = 306cost + -306cost

Combine like terms: 306cost + -306cost = 0
12 + -306cost = 0

Add '-12' to each side of the equation.
12 + -12 + -306cost = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -306cost = 0 + -12
-306cost = 0 + -12

Combine like terms: 0 + -12 = -12
-306cost = -12

Divide each side by '-306ost'.
c = 0.03921568627o-1s-1t-1

Simplifying
c = 0.03921568627o-1s-1t-1

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