What is factor (cos(x+y))+(cos(x-y)) ?

The solution to factor (cos(x+y))+(cos(x-y)) is cos(x+y)+cos(x-y)

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factor (cos(x+y))+(cos(x-y))

factor

(cos (x + y)) + (cos (x - y))

cos (x + y) + cos (x - y)

Solution steps

(cos (x + y)) + (cos (x - y))

Remove parentheses:

(a) = a

= cos (x + y) + cos (x - y)

(a + h) (a + h) (a + h)

9 p^{2 - 4 p}

d (3 x)

\frac{3000 3 + 7200}{13}

b y^{2} - 2 b + c y^{2} - 2 c

What is factor (cos(x+y))+(cos(x-y)) ?
The solution to factor (cos(x+y))+(cos(x-y)) is cos(x+y)+cos(x-y)