What is expand cos(x)(x+3cos(x)) ?

The solution to expand cos(x)(x+3cos(x)) is xcos(x)+3cos^2(x)

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expand cos(x)(x+3cos(x))

expand

cos (x) (x + 3 cos (x))

x cos (x) + 3 cos^{2} (x)

Solution steps

cos (x) (x + 3 cos (x))

Apply the distributive law:

a (b + c) = ab + a c

cos (x) (x + 3 cos (x)) = cos (x) x + cos (x) \cdot 3 cos (x)

= cos (x) x + cos (x) \cdot 3 cos (x)

Simplify

cos (x) x + cos (x) \cdot 3 cos (x) : x cos (x) + 3 cos^{2} (x)

= x cos (x) + 3 cos^{2} (x)

\frac{e ^{- s} ( 1 + s )}{s ^{2} ( s + 2 )}

\frac{3 s + 1}{s ( s + 1 ) ( 2 s + 1 )}

(1 - sin^{2} (x))^{3}

2^{(x - 1)^{2}}

l imh \Rightarrow 0 (8 + h) 13 - 2 h

What is expand cos(x)(x+3cos(x)) ?
The solution to expand cos(x)(x+3cos(x)) is xcos(x)+3cos^2(x)