9. Ako je cos x=-5/13 i sin x>0, vrednost izraza sin 2x je: (poll 9394177)

9. Ako je cos x=-5/13 i sin x>0, vrednost izraza sin 2x je:

120/169

-119/120

120/119

-119/169

-120/169

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See this poll on: https://poll.fm/9394177/embed

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