What is 4(cos(x)-cos(2x)) ?

The solution to 4(cos(x)-cos(2x)) is 4cos(x)-4cos(2x)

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simplify 4(cos(x)-cos(2x))

simplify

4 (cos (x) - cos (2 x))

4 cos (x) - 4 cos (2 x)

Solution steps

4 (cos (x) - cos (2 x))

Apply the distributive law:

a (b - c) = ab - a c

4 (cos (x) - cos (2 x)) = 4 cos (x) - 4 cos (2 x)

= 4 cos (x) - 4 cos (2 x)

(4 t - t^{2}, t - (1 - t)^{2}, 1 - t - 16 t^{2}) \cdot (4, 1, - 1)

- \frac{4}{( 2 x + 1 ) ^{2}}

lo g_{3} (25)

\frac{2 ( 2 e ^{x} + cos ( x ) )}{x}

What is 4(cos(x)-cos(2x)) ?
The solution to 4(cos(x)-cos(2x)) is 4cos(x)-4cos(2x)