Question

How do you find the rectangular coordinate of `(7.5,110^circ)`?

Answer 1

`(-2.57,7.05)`

Explanation:

`(7.5,110^@)`

Use the formulas `x=rcos theta, y=rsin theta`

`x=7.5 cos 110^@~~-2.57`

`y=7.5 sin 110^@~~7.05`

`:.(-2.57,7.05)`