I show how to solve math problems online during live instruction in class. This is my way of providing free tutoring for the ...

Learn how to solve for the lengths of the sides and the measures of the angles of a triangle using the law of cosines. The ...

Now given an (x,y) coordinate, I want to know the values of two angles (one angle in the xy-plane one angle in the xz-plane) for a line going from the center of the sphere to that (x,y) point in our ...

Do you think there’s a triangle whose angles measure 41, 76 and 63 degrees? At first, answering this may seem easy. From geometry class we know that the sum of the measures of the interior angles of a ...