cos(-t)=0.3

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Solution for cos(-t)=0.3 equation: 


Simplifying
cos(-1t) = 0.3

Remove parenthesis around (-1t)
cos * -1t = 0.3

Reorder the terms for easier multiplication:
-1cos * t = 0.3

Multiply cos * t
-1cost = 0.3

Solving
-1cost = 0.3

Solving for variable 'c'.

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

Divide each side by '-1ost'.
c = -0.3o-1s-1t-1

Simplifying
c = -0.3o-1s-1t-1

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