Tan3x - tan2x - Tanx = …
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Posted by Vivek Kumar 8 years, 4 months ago
- 2 answers
Rashmi Bajpayee 8 years, 4 months ago
tan 3x = tan 2x + tan x
tan (2x + x) = tan 2x + tan x
(tan 2x + tan x)/(1 - tan 2x.tanx x) = tan 2x + tan x
1 - tan 2x.tanx = 1
tan 2x. tan x = 0
tan 2x = 0 and tan x = 0
tan 2x = tan 0o and tan x = tan 0o
2x = 0<font size="2">o</font> and x = 0<font size="2">o</font>
x = 0<font size="2">o</font> and x = 0<font size="2">o</font>
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Vivek Kumar 8 years, 4 months ago
It is wrong because we can't write tan3x = tan2x + tanx
The and of this question is
Tan(2x+x) = tan2
0Thank You