What is expand (cos(4x)cos(5x)-sin(4)sin(5x))dx ?

The solution to expand (cos(4x)cos(5x)-sin(4)sin(5x))dx is cos(4x)cos(5x)dx-sin(4)sin(5x)dx

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expand (cos(4x)cos(5x)-sin(4)sin(5x))dx

expand

(cos (4 x) cos (5 x) - sin (4) sin (5 x)) d x

cos (4 x) cos (5 x) d x - sin (4) sin (5 x) d x

Solution steps

(cos (4 x) cos (5 x) - sin (4) sin (5 x)) d x

Apply the distributive law:

a (b - c) = ab - a c

a = d x, b = cos (4 x) cos (5 x), c = sin (4) sin (5 x)

= d x cos (4 x) cos (5 x) - d x sin (4) sin (5 x)

= cos (4 x) cos (5 x) d x - sin (4) sin (5 x) d x

(x - 4) (x - (1 + i)) (x - (1 + i))

K \cdot (1 + \frac{1}{t s} + d s)

ln (x) (x + 2) (x + 8)

(x^{3} + y^{3}) d x - 3 x y^{2} d y

\frac{6}{x ^{4} ( x - 2 ) ^{2}}

What is expand (cos(4x)cos(5x)-sin(4)sin(5x))dx ?
The solution to expand (cos(4x)cos(5x)-sin(4)sin(5x))dx is cos(4x)cos(5x)dx-sin(4)sin(5x)dx