59-64 A particle is moving with the given data. Find the
position of the particle.
59. $v(t) = 2 \cos t + 4 \sin t$, $s(0) = 3$
60. $v(t) = t^2 - 3\sqrt{t}$, $s(4) = 8$
61. $a(t) = 2t + 1$, $s(0) = 3$, $v(0) = -2$
62. $a(t) = 3 \cos t - 2 \sin t$, $s(0) = 0$, $v(0) = 4$
63. $a(t) = \sin t - \cos t$, $s(0) = 0$, $s(\pi) = 6$
64. $a(t) = t^2 - 4t + 6$, $s(0) = 0$, $s(1) = 20$
