5*cos(0.5)+5*cos(-0.5)=

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Solution for 5*cos(0.5)+5*cos(-0.5)= equation: 


Simplifying
5cos(0.5) + 5cos(-0.5) = 0

Reorder the terms for easier multiplication:
5 * 0.5cos + 5cos(-0.5) = 0

Multiply 5 * 0.5
2.5cos + 5cos(-0.5) = 0

Reorder the terms for easier multiplication:
2.5cos + 5 * -0.5cos = 0

Multiply 5 * -0.5
2.5cos + -2.5cos = 0

Combine like terms: 2.5cos + -2.5cos = 0.0
0.0 = 0

Solving
0.0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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