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maths sum
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Asked by keerthananukala2007 | 02 May, 2024, 11:32: AM
answered-by-expert Expert Answer

sec2x -2 tan x = 4

1+tan2x - 2 tan x = 4

(1-tan x)2 = ( ± 2 )2

hence , we get ,  (1-tan x ) =  ± 2

if ( 1- tanx ) = +2

tan x = -1

x = - π/4 rad

if (1- tanx ) = -2

tan x = 3

x = 1.25 rad

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argument θ of above complex number is

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Hence ( 1 - a2 ) = 0 or  a = ± 1

 

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