Trig Identities Packet H sin 0 = - 1 CSC 0 = csc 0 sin 0 cos 0 = seco sec 0 = cos 8 tan 0 = sin 0 cos 0 tan 0 = - cot 0 = Cos 0 H cote sin 8 cot 0 = tan 8 cos20 + sin20 = 1 sin20 = 1 - cos30 cos20 = 1 - sin20 1 + tan20 = sec20 tan 0 = sec20 - 1 - tan20 = 1 - sec20 1 + cot20 = csc20 cot20 = csc20 - 1 - cot20 = 1 - csc20TRIG IDENTITIES PRACTICE Name Directions: Simplify each trig expression to a single trig function. Show all work. 1. 2 . csc 0 tan 0 sin 0 + cot 0 cos 0 sin sthe cost sin COCO . COS sing cost sin + cost seco sin 2 8ino + cos 2 sin 3. csc2 0- cot2 0 4. sec2 0 - cos2 0 sec2 0 5. sin2 0 + cos2 0 + tan2 0 cos 0 (1 + tan2 0)7. sin O csc 0 - cos2 0 8. sec 0 - sin 0 tan 0 9. (csc 0 + 1) ( csc 0 -1) 10. sin 0 cos 0 tan 0 11. (csc 0 + cot 0) (1 - cos 0) 12. (tan2 0 - sec2 0) (sin2 0 + cos2 0)