find the exact value of the cosine and sine of the given angle on questions 19,21,23,25,27
5л 19. @= І 4л 20.8= 3 Зл 21.0= 2 өн 5л 22. 0= 3 4 23л 23. 0= 0 - Пл 4 24. 0= 25. O 13л 2 26. @ 43л 6 6 27. 0 = 3 28. Ө=- 10 29. 8 = 3 30. O=117 4 6
5л 19. @= І 4л 20.8= 3 Зл 21.0= 2 өн 5л 22. 0= 3 4 23л 23. 0= 0 - Пл 4 24. 0= 25. O 13л 2 26. @ 43л 6 6 27. 0 = 3 28. Ө=
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5л 19. @= І 4л 20.8= 3 Зл 21.0= 2 өн 5л 22. 0= 3 4 23л 23. 0= 0 - Пл 4 24. 0= 25. O 13л 2 26. @ 43л 6 6 27. 0 = 3 28. Ө=
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