Search: Let z1=2-i,z2=-2+i Find. Re(z1z2/modulus of

Find z1z2 and z1/z2 for the pair of complex numbers using trigonometric form. z1=4+9i, z2=-5-5i... Find the modulus of1+i/1-i-1-i/1+i Find the modulus and principal argument of the complex numbers giving the argument in radians either... Find the modulus and argument of the number Z= -sin(π/8) - i cos(π/8) find the modulus of the resultant of the velocities 8ms and 6ms. inclined at an angle of 60° Find the modulus and argument of this complex numbers 5+i/2+3i find the modulus and the argument of the following complex numbers: 15-4i and a-ai where a is great... find the modulus of the resultant of the velocities 10ms-1 and 8ms-1 inclined at an angle of 60 degr... find the modulus argument and principal argument of each of the following a) i b) -√5 Find the modulus and argument of y^2+4y+8=0