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Discussions (4)

osasu81
12 years ago
Tan in the third quadrant is positive and therefore the answer can never carry negative sign....u guys should pls try to provide correct solutions

Leinad321
3 years ago
We can't use tan in the third quadrant 315° belong to the fourth quadrant and using the fourth quadrant
-tan(360-315)
-tan 45 =-(1)
Ans=-1


