prove the following identities where the angles involved are acute angles for which the expressions are defined

Answer this question only if you know the answer! 30 points and

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?