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chenna
 2 years ago
Best ResponseYou've already chosen the best response.1ask me if you don't understand. message me.

sara1234
 2 years ago
Best ResponseYou've already chosen the best response.0can you tell me if its postive or negaative?

chenna
 2 years ago
Best ResponseYou've already chosen the best response.15pi/4 is 225 degrees. So it is in 3rd quadrant. In 3rd quadrant Sin is negative. Answer is negative.
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