SOLVED:Find all the complex cube roots of w = 125(cos 270? sin 270"_ Write the roots in polar form with in degrees_ cos sin (Type answers in degrees. Simplify your answer )
If sum of triangle angles is $180$ degrees, how $\sin(270)$ is possible? - Mathematics Stack Exchange
Solved Given that cos A = 3/4, where 270 degree < A < 360 | Chegg.com
cos | Maya | Autodesk Knowledge Network
Cos 270 Degrees - Find Value of Cos 270 Degrees | Cos 270°