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Find value of cot(-19pi/3)

Find value of cot(-19pi/3)
 

Grade:11

1 Answers

Harsh Patodia IIT Roorkee
askIITians Faculty 907 Points
7 years ago
Hi Student

cot(-19pi/3)= -cot (19pi/3)= -cot (6pi + pi/3)=-cot (pi/3) =-1/\sqrt{}3

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