matthewjcase
matthewjcase matthewjcase
  • 07-04-2017
  • Mathematics
contestada

find the exact value of tan 2x if tan x=7/11 and pi

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TheHero
TheHero TheHero
  • 07-04-2017
Use double angle formula

tan2x = 2tanx/ (1- tan^2x) = 2 * 7/11 ( 1 - (7/11)^2) = 77/36
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