Question

What is the Cartesian form of `( -12 , ( 15pi)/4 )`?

Answer 1

`(-6sqrt(2), 6sqrt(2))`

Explanation:

Given: `( -12 , ( 15pi)/4 )`

Find the Cartesian form:

`(-12cos(( 15pi)/4 )), -12sin(( 15pi)/4 )) =`

`(-12sqrt(2)/2, -12(-sqrt(2)/2))`

`(-6sqrt(2), 6sqrt(2))`