1- Find the radian measures that correspond to the degree measures300and105

2- Find the degree measures that correspond to the radian measures 2and1.9.Round your answers to one decimal place

3-The measure of an angle in standard position is given. Find two positive angles and two negative angles that are coterminal with the given angle. (Enter your answers as a comma-separated list.) 45 degrees

4-Find the lengthsof the arc that subtends a central angle of measure20in a circle of radius18m.(Round your answer to two decimal places.)