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

The solution to expand cos(2t)-cos(2t)U(t-pi) is cos(2t)-tUcos(2t)+piUcos(2t)

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

expand

cos (2 t) - cos (2 t) U (t - π)

cos (2 t) - t U cos (2 t) + π U cos (2 t)

Solution steps

cos (2 t) - cos (2 t) U (t - π)

= cos (2 t) - U cos (2 t) (t - π)

Expand

- cos (2 t) U (t - π) : - t U cos (2 t) + π U cos (2 t)

= cos (2 t) - t U cos (2 t) + π U cos (2 t)

(x - 1) d x

\frac{125 ( 2 n + 3 ) ^{2} ( 2 n + 4 ) ^{2}}{4}

(2 π - 45)^{2}

U (t - 4) (2 - t^{2}) + 2 e^{- π t} + sin (3 t) - t^{3}

\frac{( x ^{4} - 1 ) ^{2}}{4 x ^{4}}

What is expand cos(2t)-cos(2t)U(t-pi) ?
The solution to expand cos(2t)-cos(2t)U(t-pi) is cos(2t)-tUcos(2t)+piUcos(2t)