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

User Saad Masood
by
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1 Answer

4 votes
Use double angle formula

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