What is expand (sin(3x)-sin(x))*(cos(3x)+cos(x)) ?

The solution to expand (sin(3x)-sin(x))*(cos(3x)+cos(x)) is cos(3x)sin(3x)+sin(3x-x)-cos(x)sin(x)

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

expand (sin(3x)-sin(x))*(cos(3x)+cos(x))

expand

(sin (3 x) - sin (x)) \cdot (cos (3 x) + cos (x))

cos (3 x) sin (3 x) + sin (3 x - x) - cos (x) sin (x)

Solution steps

(sin (3 x) - sin (x)) (cos (3 x) + cos (x))

Apply FOIL method

(sin (3 x) - sin (x)) (cos (3 x) + cos (x)) : cos (3 x) sin (3 x) + sin (3 x - x) - cos (x) sin (x)

= cos (3 x) sin (3 x) + sin (3 x - x) - cos (x) sin (x)

\frac{( x ^{2} - 2 ) ( x + 3 )}{x + 4}

(5 t^{2} e^{- 8 t} - e^{7 t} cos (5 t)) (s)

(\frac{b}{a} (x - d) - f - c)^{3}

\frac{11}{- 2}

(a s + b) (s^{2} + s + \frac{5}{4})

What is expand (sin(3x)-sin(x))*(cos(3x)+cos(x)) ?
The solution to expand (sin(3x)-sin(x))*(cos(3x)+cos(x)) is cos(3x)sin(3x)+sin(3x-x)-cos(x)sin(x)