if cotx=-12/5 x in second quadrant then cos x will be
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hi
Step-by-step explanation:
hope this helps
As x lies in second quadrant, only sinx and cosecx will be positive. Rest will be negative.
We are given, cotx=-512
So, tanx=1cotx=-125
secx=√1+tan2x=√1+14425=-135
cosx=1secx=-513
sinx=tanxcosx=-125∗-513=1213
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