Polar Coordinates (AQA A-Level Further Maths): Flashcards

Distance from pole and angle from initial line

Fixed reference point (equivalent to origin)

Distance from the pole to the point

Angle from initial line, counterclockwise

$x = r\cos\theta$

$y = r\sin\theta$

$r^2 = x^2 + y^2$

$\tan\theta = \frac{y}{x}$

In infinitely many different ways

Circle of radius $a$ at the pole