SOLUTION: what is the exact value without using a calculator. csc 4pi/3

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Question 1124313: what is the exact value without using a calculator.
csc 4pi/3
Answer by Alex.33(110) About Me  (Show Source):
You can put this solution on YOUR website!
csc%284%2Api%2F3%29=1%2Fsin%284%2Api%2F3%29=1%2F%28-sqrt%283%29%2F2%29=-2sqrt%283%29%2F3
applying the definition of sine using unit circles