A particle has displacementx given by x = 3 cos(5pi t + pi), where x is in metres and in seconds. Where is the particle at time t=0? At time t= 1/2s?

A particle has displacementx given by x = 3 cos(5pi t + pi), where x i

1.	A particle has displacementx given by x = 3 cos(5pi t + pi), where x is in metres and in seconds. Where is the particle at time t=0? At time t= 1/2s?
Answer» SOLUTION :`X(0) = - 3 m , x(1/2) = 0 `