Question

Select the correct answer.378Convert4 to rectangular form.OA.Y = -1OB.y = 1O C.y =O D.O E.I = -1

Answer 1

The Solution.

Assuming the radius is 1.

`x=\cos ((3\pi)/(4))=-\sin ((3\pi)/(4))`

Therefore,

`\begin{gathered} x=-y \\ or \\ y=-x \end{gathered}`

So, the correct answer is option D