exam Maths Puzzle Numerical Ability

Write each complex number in rectangular form. If necessary, round to the nearest tenth:
7(cos 3pi/2 + i sin 3pi/2)
Thanks for your help :)

Read Solution (Total 0)

exam Other Question
I need help on 6r^2+7r=3. I already have 6r^2+7r-3=0. thanks, tyler simplify:

[(3x^3)/(x^3+27)] - [ (x)/(x+3) ] + [(2x^2)/(x^2-3x+9) ]