May someone please show me working out for this question?
a) If x=asin(nt) + bcos(nt), find the acceleration of the particle in terms of t and show that v=-n^2.x (completed myself)
ans:
x = asin(nt) + bcos(nt)
v = ancos(nt) - bnsin(nt)
a = -n^2(asin(nt) + bcos(nt)) = -n^2.x
b) Find...