عباسلا بابلا نيراتم هيثلثلما تاقباطتلما 7

[Pages:8] 7.1

. cosine sine 3 12

13 26

27 90

. x 91 96

. 7.2

3 14

15 20

. 21 24 25 42

. - 7.3

tan 2x cos 2x sin 2x 3 10 x

x x x . cosine 1116

17 28

29 34

tan 2x cos 2x , sin 2x 37 42

. 51 54

. 55 60

61 66

67 72

73 90

.95

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