SOLUTION: Hi, does anybody know the value of cot 90�? I think you would have to move counter clockwise from the standard position, but that would put you on top of the positive y-axis. Can a

Question 144669: Hi, does anybody know the value of cot 90�? I think you would have to move counter clockwise from the standard position, but that would put you on top of the positive y-axis. Can anyone provide the answer and how they got it?
Found 2 solutions by jim_thompson5910, shahid:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

So
Answer by shahid(44) (Show Source): You can put this solution on YOUR website!
cot90=0 it can directly be obtained from its trigonometric relation already proved which says that cotx=.so we can get the value of cot90 from this formula.Now
cot90=
cot90= because cos90=0 and sin90=1
hence we have shown that cot90=0
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