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Popular >

expand cos(t)u(t-1)

Solution

expand

cos (t) u (t - 1)

Solution

t u cos (t) - u cos (t)

Solution steps

cos (t) u (t - 1)

= u cos (t) (t - 1)

Apply the distributive law:

a (b - c) = ab - a c

u cos (t) (t - 1) = u cos (t) t - u cos (t) \cdot 1

= u cos (t) t - u cos (t) \cdot 1

Simplify

u cos (t) t - u cos (t) \cdot 1 : t u cos (t) - u cos (t)

= t u cos (t) - u cos (t)

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Frequently Asked Questions (FAQ)

What is expand cos(t)u(t-1) ?
The solution to expand cos(t)u(t-1) is tucos(t)-ucos(t)