Please answer each question.

. Find all values of O, if e is in the interval [0; 3607 and@ coso = - 12 ; b ) sino = /2 ; c) csco =- JZ 9 a ) C) 1. A turntable in a shop makes 45 revolutions per minute. How many revolutions does it make a) per second? b) per hour? c). Through how many degrees does a point on the edge move in 12 second? -75 C