-40sin(2t)-60cos(2t)=0

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Solution for -40sin(2t)-60cos(2t)=0 equation:


Simplifying
-40sin(2t) + -60cos(2t) = 0

Remove parenthesis around (2t)
-40ins * 2t + -60cos(2t) = 0

Reorder the terms for easier multiplication:
-40 * 2ins * t + -60cos(2t) = 0

Multiply -40 * 2
-80ins * t + -60cos(2t) = 0

Multiply ins * t
-80inst + -60cos(2t) = 0

Remove parenthesis around (2t)
-80inst + -60cos * 2t = 0

Reorder the terms for easier multiplication:
-80inst + -60 * 2cos * t = 0

Multiply -60 * 2
-80inst + -120cos * t = 0

Multiply cos * t
-80inst + -120cost = 0

Reorder the terms:
-120cost + -80inst = 0

Solving
-120cost + -80inst = 0

Solving for variable 'c'.

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

Add '80inst' to each side of the equation.
-120cost + -80inst + 80inst = 0 + 80inst

Combine like terms: -80inst + 80inst = 0
-120cost + 0 = 0 + 80inst
-120cost = 0 + 80inst
Remove the zero:
-120cost = 80inst

Divide each side by '-120ost'.
c = -0.6666666667ino-1

Simplifying
c = -0.6666666667ino-1

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