7cos(12t)+6sin(12t)=9

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Solution for 7cos(12t)+6sin(12t)=9 equation:


Simplifying
7cos(12t) + 6sin(12t) = 9

Remove parenthesis around (12t)
7cos * 12t + 6sin(12t) = 9

Reorder the terms for easier multiplication:
7 * 12cos * t + 6sin(12t) = 9

Multiply 7 * 12
84cos * t + 6sin(12t) = 9

Multiply cos * t
84cost + 6sin(12t) = 9

Remove parenthesis around (12t)
84cost + 6ins * 12t = 9

Reorder the terms for easier multiplication:
84cost + 6 * 12ins * t = 9

Multiply 6 * 12
84cost + 72ins * t = 9

Multiply ins * t
84cost + 72inst = 9

Solving
84cost + 72inst = 9

Solving for variable 'c'.

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

Add '-72inst' to each side of the equation.
84cost + 72inst + -72inst = 9 + -72inst

Combine like terms: 72inst + -72inst = 0
84cost + 0 = 9 + -72inst
84cost = 9 + -72inst

Divide each side by '84ost'.
c = 0.1071428571o-1s-1t-1 + -0.8571428571ino-1

Simplifying
c = 0.1071428571o-1s-1t-1 + -0.8571428571ino-1

Reorder the terms:
c = -0.8571428571ino-1 + 0.1071428571o-1s-1t-1

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