What is expand (e^2pi)/(pi^2+1)cos(pi(t-2)) ?

The solution to expand (e^2pi)/(pi^2+1)cos(pi(t-2)) is (e^2pi)/(pi^2+1)cos(pit)

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expand (e^2pi)/(pi^2+1)cos(pi(t-2))

expand

\frac{e ^{2} π}{π ^{2} + 1} cos (π (t - 2))

\frac{e ^{2} π}{π ^{2} + 1} cos (π t)

Solution steps

\frac{e ^{2} π}{π ^{2} + 1} cos (π (t - 2))

Expand

π (t - 2) : π t - 2 π

= \frac{e ^{2} π}{π ^{2} + 1} cos (π t - 2 π)

Rewrite using trig identities

= \frac{e ^{2} π}{π ^{2} + 1} cos (π t)

(1 + cos (4 x))^{2}

2 (1 + 2 x) sin (1 + 2 x) + 2 (1 - 2 x) sin (1 - 2 x)

\frac{( - 3 x ^{2} + 3 x ) ^{2}}{2}

(3 x - 5 y^{2} - 3 x + 19 + 5)^{2}

sin ((n + \frac{1}{2}) π)

What is expand (e^2pi)/(pi^2+1)cos(pi(t-2)) ?
The solution to expand (e^2pi)/(pi^2+1)cos(pi(t-2)) is (e^2pi)/(pi^2+1)cos(pit)