SOLUTION: Can you help please: calculate exact value; cot 150 degrees

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Question 977430: Can you help please: calculate exact value; cot 150 degrees
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
hi there,
CotA = CosA/SinA
Cos 150 = -root3/2
Sin 150 = 1/2
Cos150/Sin150 = -root3
This is the exact value.
Hope this helps:-)