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amitaryan706 amitaryan706
  • 26-02-2017
  • Mathematics
Answered

tan20+tan40+tan60.......+tan180=?

Verified Answer :

youngrainbow youngrainbow
  • 26-02-2017

the answer is 0. 
assuming by the dots that it includes tan80 +tan100 +tan120 +tan140 +tan160 in the equation.

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