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if x+y+z=xyz, then find 2x\1-x squared +2y\1-y squared+2z\1-z squared

Siddharth Mehra , 9 Years ago
Grade 12
anser 3 Answers
grenade

Last Activity: 9 Years ago

0

grenade

Last Activity: 9 Years ago

Let x equal tan#
And then solve

ng29

Last Activity: 9 Years ago

answer is 0, 
let x=tan a  ,   y=tan b ,  z= tan c
now using trogonometric identities just solve
and u will get answer
 
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