Express each of the following signals as a single sinusoid o

Express each of the following signals as a single sinusoid of the form A cos(omega_0 t + phi). x_a(t) = cos(5 pi t) - 2 sin(5 pi t) x_b(t) = 3 cos(200 t + 3 pi/4) + 3 cos (200 t + pi/2) x_c(t) = cos(40 pi t + 3 pi) + squareroot 2 cos(40 pi t + pi/4) + squareroot 2 cos (40 pi t - pi/4)

Solution

Creatine phosphate or phosphocreatine is a highe energy molecule that donates phosphate group to ADP to produce energy in the form of ATP in working muscle cells. Option 1 is correct.