3 Find: a) sin300- d) sec315. b) cos(-120)- c) tan480. e) sec(-90)- f) CSC(-210)- 4.Convert a) 5 radians to degrees 5 b) to radians c)3 radians to degree d) -3 to radians 5x e) 12 radians to degrees f) 90r to radians g) 10r to radians 1 h) 3radians to degrees