What is expand sin(7t)u(t-(9pi)/(14)) ?

The solution to expand sin(7t)u(t-(9pi)/(14)) is tusin(7t)-(9piusin(7t))/(14)

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expand sin(7t)u(t-(9pi)/(14))

expand

sin (7 t) u (t - \frac{9 π}{14})

t u sin (7 t) - \frac{9 π u sin ( 7 t )}{14}

Solution steps

sin (7 t) u (t - \frac{9 π}{14})

= u sin (7 t) (t - \frac{9 π}{14})

Apply the distributive law:

a (b - c) = ab - a c

a = sin (7 t) u, b = t, c = \frac{9 π}{14}

= sin (7 t) u t - sin (7 t) u \frac{9 π}{14}

= t u sin (7 t) - \frac{9 π}{14} u sin (7 t)

Simplify

t u sin (7 t) - \frac{9 π}{14} u sin (7 t) : t u sin (7 t) - \frac{9 π u sin ( 7 t )}{14}

= t u sin (7 t) - \frac{9 π u sin ( 7 t )}{14}

(y^{4} + 2 x y^{4} - x^{3}) d x + (4 x y^{3} + 16 x^{2} y^{3}) d y

(x + \frac{39 + 471}{5}) (x + \frac{39 - 471}{5})

\frac{( x ^{4} - 4 x ^{3} + 4 x ^{2} )}{( x + 4 ) ^{5} \cdot ( 5 - x ) ^{3}}

\frac{( y + 4 ) \cdot x}{2 + y}

(2 x = 1, 2 + 2 y) - (2 x = - 15 - 3 y)

What is expand sin(7t)u(t-(9pi)/(14)) ?
The solution to expand sin(7t)u(t-(9pi)/(14)) is tusin(7t)-(9piusin(7t))/(14)