English: You also remember that, a similar equation for the square psi is equal to 0 was given as a solution with psi is equal to A cos kx plus B sin kx.
Telugu: సమీకరణం, ψతో పరిష్కారం A cos kx + B sin kxకి సమానం అని కూడా గుర్తుంచుకోవాలి.