Prove the following cos(3pi/2+x) cos(2pi+x) [cot(3pi/2-x) +cot(2pi+x) ] = 1
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cot(2pi)
Use the appropriate extended graph to find all values of x in the interval [-2 pi, 2 pi] that satisfy the following equation. cot x = 1 | Homework.Study.com
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