What is expand cos(2t)u(t-pi) ?

The solution to expand cos(2t)u(t-pi) is tucos(2t)-piucos(2t)

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expand cos(2t)u(t-pi)

expand

cos (2 t) u (t - π)

t u cos (2 t) - π u cos (2 t)

Solution steps

cos (2 t) u (t - π)

= u cos (2 t) (t - π)

Apply the distributive law:

a (b - c) = ab - a c

a = cos (2 t) u, b = t, c = π

= cos (2 t) u t - cos (2 t) u π

= t u cos (2 t) - π u cos (2 t)

7 (x + Δ x)^{3}

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

\frac{\partial}{\partial x} ((y) (5 x + 7 z))

(4 x^{2} - 2 x + 1)^{7}

\frac{5 x - 1}{2 x - 3}

What is expand cos(2t)u(t-pi) ?
The solution to expand cos(2t)u(t-pi) is tucos(2t)-piucos(2t)