Yr2 Polar Coordinates Flashcards
1
Q
When the tangent is perpendicular/parallel to the initial line…
A
use x = r cos θ or y = r sin θ
2
Q
When the tangent is perpendicular/parallel to the initial line…
A
the gradient is also 0.
3
Q
We can merge the intergration by…
A
squaring both, subtracting them, then integrating them
4
Q
Remember we can solve for θ by…
A
making r1 and r2 equal to each other
5
Q
To convert from complex to polar…
A
complex —> cartesian —> polar
