What kind of shape is this

The period of 2 sin x cos x is a. 4 π 2 b. 2 π c. 4 π d. π

Angle por=120° and p-o-l. points s and t are on the r side of line pl such that angle ros= angle sol and angle tqsrot=angle top. draw figure and find angle

Evaluate the following. investigate the result (3²)²=​