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Answer the following question:

Asked by nkrbasak 14th March 2013, 9:22 PM
Answered by Expert
Answer:
You will have to remember these. 
 
tan pi = 0
cosec pi = infinity
sec pi = -1
cot pi = infinity
 
Or else, if you know the graphs of sinx, cosx and tanx functions, then the same can be used evaluate the values at pi.  
Answered by Expert 14th March 2013, 9:30 PM
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