2*cos^2*5pi/8-1 - solution

Simple and best practice solution for 2cos^25pi/8-1 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

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Solution for 2cos^25pi/8-1 equation:

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5;7;5;7

555555555555;66666666666666;66666666666;9699999999

y = (-5/2)*x-(2/7)

10;3;2;3

4/8 = (8/11)*a

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