Cos^2-8cost+15=0

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Solution for Cos^2-8cost+15=0 equation: 


Simplifying
Cos2 + -8cost + 15 = 0

Reorder the terms:
15 + -8cost + os2C = 0

Solving
15 + -8cost + os2C = 0

Solving for variable 'c'.

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

Add '-15' to each side of the equation.
15 + -8cost + -15 + os2C = 0 + -15

Reorder the terms:
15 + -15 + -8cost + os2C = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -8cost + os2C = 0 + -15
-8cost + os2C = 0 + -15

Combine like terms: 0 + -15 = -15
-8cost + os2C = -15

Add '-1os2C' to each side of the equation.
-8cost + os2C + -1os2C = -15 + -1os2C

Combine like terms: os2C + -1os2C = 0
-8cost + 0 = -15 + -1os2C
-8cost = -15 + -1os2C

Divide each side by '-8ost'.
c = 1.875o-1s-1t-1 + 0.125st-1C

Simplifying
c = 1.875o-1s-1t-1 + 0.125st-1C

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