Let f(t) = sin2 t, find the Laplace transform of f(t)

• A. \(\frac{2}{{{s^2} \;+ \;4}}\)
• B. \(\frac{2}{{s\left( {{s^2}\; + \;4} \right)}}\)
• C. \(\frac{{2s}}{{{s^2}\; +\; 4}}\)
• D. \(\frac{2}{{s\left( {{s^2} \;- \;4} \right)}}\)