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find the exact value if cos = -5/3 and 180 < 0 < 270 sin20 A. 1/9 B. -1/9 C. 4 5/9 D. - 4

find the exact value if cos= -5/3 and 180 < 0 < 270

  1. sin20

A. 1/9

B. -1/9

C. 45/9

D. -45/9

2. cos20

A. 1/9

B. -1/9

C. 45/9

D. -45/9

3. tan20

A. 1/9

B. -1/9

C. 45/9

D. -45/9

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