-sin(9t)+3cos(9t)=0

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Solution for -sin(9t)+3cos(9t)=0 equation:


Simplifying
-1sin(9t) + 3cos(9t) = 0

Remove parenthesis around (9t)
-1ins * 9t + 3cos(9t) = 0

Reorder the terms for easier multiplication:
-1 * 9ins * t + 3cos(9t) = 0

Multiply -1 * 9
-9ins * t + 3cos(9t) = 0

Multiply ins * t
-9inst + 3cos(9t) = 0

Remove parenthesis around (9t)
-9inst + 3cos * 9t = 0

Reorder the terms for easier multiplication:
-9inst + 3 * 9cos * t = 0

Multiply 3 * 9
-9inst + 27cos * t = 0

Multiply cos * t
-9inst + 27cost = 0

Reorder the terms:
27cost + -9inst = 0

Solving
27cost + -9inst = 0

Solving for variable 'c'.

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

Add '9inst' to each side of the equation.
27cost + -9inst + 9inst = 0 + 9inst

Combine like terms: -9inst + 9inst = 0
27cost + 0 = 0 + 9inst
27cost = 0 + 9inst
Remove the zero:
27cost = 9inst

Divide each side by '27ost'.
c = 0.3333333333ino-1

Simplifying
c = 0.3333333333ino-1

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