What is expand cos(4t)-cos(4t)U(t-pi) ?

The solution to expand cos(4t)-cos(4t)U(t-pi) is cos(4t)-tUcos(4t)+piUcos(4t)

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expand cos(4t)-cos(4t)U(t-pi)

expand

cos (4 t) - cos (4 t) U (t - π)

cos (4 t) - t U cos (4 t) + π U cos (4 t)

Solution steps

cos (4 t) - cos (4 t) U (t - π)

= cos (4 t) - U cos (4 t) (t - π)

Expand

- cos (4 t) U (t - π) : - t U cos (4 t) + π U cos (4 t)

= cos (4 t) - t U cos (4 t) + π U cos (4 t)

\frac{3}{w ( w + 1 ) ^{2}}

C (2, - 1)

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

(\frac{4}{6} p x + \frac{5}{10} j y)^{2}

\frac{π ( 6 - ln ( 7 ) )}{4}

What is expand cos(4t)-cos(4t)U(t-pi) ?
The solution to expand cos(4t)-cos(4t)U(t-pi) is cos(4t)-tUcos(4t)+piUcos(4t)