Draw the polar coordinates `(2, (pi)/(3)), (-2,(pi)/(3)), (-2,-(pi)/(3))` and `(2, -(pi)/(3))` on the plane.

Draw the polar oordinate (3,(5pi)/(4)) on the plane.

sin((2 pi)/(3)+(2 pi)/(3))

L.C.M. of {(pi)/(3),(2 pi)/(3),(pi)/(2),(pi)/(3)}

((pi)/(4))+((2 pi)/(3))-((pi)/(6))

Plot the following polar coordinates: (3,-pi/3)

(pi)/(4)+(2 pi)/(3)-(pi)/(6)

Plot the following polar coordinates: (-3, -(3pi)/4)

Find the areas of the triangles the coordinates of whose angular points are: (-a,(pi)/(6))(a,(pi)/(2)), and (-2a,-(2 pi)/(3))

Which one of the following triplets CANNOT be the angles made by a line in space with the three coordinate axes? a.((pi)/(4),(3 pi)/(4),(pi)/(2)) b.((pi)/(4),(pi)/(3),(2 pi)/(3)) c.((pi)/(3),(3 pi)/(4),(pi)/(3))d((pi)/(4),(pi)/(3),(pi)/(4))

cos((2pi)/3)-sin((2pi)/3)=?