What is expand (5+cos(x))cos(y)cos(x) ?

The solution to expand (5+cos(x))cos(y)cos(x) is 5cos(y)cos(x)+cos^2(x)cos(y)

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expand (5+cos(x))cos(y)cos(x)

expand

(5 + cos (x)) cos (y) cos (x)

5 cos (y) cos (x) + cos^{2} (x) cos (y)

Solution steps

(5 + cos (x)) cos (y) cos (x)

= cos (y) cos (x) (5 + cos (x))

Apply the distributive law:

a (b + c) = ab + a c

cos (y) cos (x) (5 + cos (x)) = cos (y) cos (x) \cdot 5 + cos (y) cos (x) cos (x)

= cos (y) cos (x) \cdot 5 + cos (y) cos (x) cos (x)

Simplify

cos (y) cos (x) \cdot 5 + cos (y) cos (x) cos (x) : 5 cos (y) cos (x) + cos^{2} (x) cos (y)

= 5 cos (y) cos (x) + cos^{2} (x) cos (y)

\frac{a x ^{2} ( 3 - x )}{e ^{x}}

(x + y)^{2} (x \frac{d y}{d x} + y)

(x^{2} + y^{2}) (x^{2} + y^{2})

\frac{d ^{3}}{d x ^{3}} ((y) (x^{3} + 3 x^{2} + 6 x))

(x \cdot y = 5, x + y = 7) x + y

What is expand (5+cos(x))cos(y)cos(x) ?
The solution to expand (5+cos(x))cos(y)cos(x) is 5cos(y)cos(x)+cos^2(x)cos(y)