cos(x+45)+cos(x-45)=2

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Solution for cos(x+45)+cos(x-45)=2 equation: 


Simplifying
cos(x + 45) + cos(x + -45) = 2

Reorder the terms:
cos(45 + x) + cos(x + -45) = 2
(45 * cos + x * cos) + cos(x + -45) = 2
(45cos + cosx) + cos(x + -45) = 2

Reorder the terms:
45cos + cosx + cos(-45 + x) = 2
45cos + cosx + (-45 * cos + x * cos) = 2
45cos + cosx + (-45cos + cosx) = 2

Reorder the terms:
45cos + -45cos + cosx + cosx = 2

Combine like terms: 45cos + -45cos = 0
0 + cosx + cosx = 2
cosx + cosx = 2

Combine like terms: cosx + cosx = 2cosx
2cosx = 2

Solving
2cosx = 2

Solving for variable 'c'.

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

Divide each side by '2osx'.
c = o-1s-1x-1

Simplifying
c = o-1s-1x-1

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