1. The letters r and O represent polar coordinates. Write the following equation using rectangular coordinates (x, y) r=10cosO
a) (x+y)^2=10x
b) (x+y)^2=10y
c) x^2+y^2=10y
d) x^2+y^2=10x
2. The letters x and y represent polar coordinates. Write the following equation using polar coordinates (r, O) y=-10
a) rcosO=10
b) rcosO=-10
c) rsinO=10
d) rsinO=-10
3. Write the expression in a+bi form: (1-i)^10
a) -32
b) 32
c) 32i
d) -32i