Unghiurile AOB, BOC, COA sunt trei ungiuri congruente, in jurul punctului O, iar D este un punct in interiorul unghiului AOB astfel incat unghiul AOD=3 x BOD

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=