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Popular >

simplify ke^{-at}cos(wt)

Solution

simplify

k e^{- a t} cos (wt)

Solution

\frac{k cos ( tw )}{e ^{a t}}

Solution steps

k e^{- a t} cos (wt)

Apply exponent rule:

a^{- b} = \frac{1}{a ^{b}}

= k \frac{1}{e ^{a t}} cos (tw)

Multiply fractions:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

= \frac{1 \cdot k cos ( wt )}{e ^{a t}}

Multiply:

1 \cdot k = k

= \frac{k cos ( tw )}{e ^{a t}}

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Frequently Asked Questions (FAQ)

What is ke^{-at}cos(wt) ?
The solution to ke^{-at}cos(wt) is (kcos(tw))/(e^{at)}