SOLUTION: What is exact value of sec(5pi/6)cos(7pi/4)- cot(-pi/3) Thank you.

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Question 564248: What is exact value of sec(5pi/6)cos(7pi/4)- cot(-pi/3)
Thank you.
Answer by ad_alta(240) About Me  (Show Source):
You can put this solution on YOUR website!
It is: (-2sqrt(3)/3)(sqrt(2)/2)-(-sqrt(3)/3)= (1-sqrt(2))sqrt(3)/3