NZ Level 8 (NZC) Level 3 (NCEA) [In development]
Convert between Polar and Rectangular Equations

## Interactive practice questions

Convert the rectangular equation $5x-4y=3$5x4y=3 into a polar equation.

Easy
Approx 4 minutes

Convert the polar equation $r=6\sin\theta$r=6sinθ into a rectangular equation.

Convert the polar equation $r=2\cos\theta$r=2cosθ into a rectangular equation.

Convert the polar equation $r=\frac{10}{1-\cos\theta}$r=101cosθ into a rectangular equation.

### Outcomes

#### M8-9

Manipulate complex numbers and present them graphically

#### 91577

Apply the algebra of complex numbers in solving problems