22) cotx cot2x-cot2x cot3x-cot3x cotx=123) tan4x=4tanx(1-tanx)1-6tan2x+tan4x - Maths - Trigonometric Functions

Question

22 )   c o t x   c o t 2 x - c o t 2 x   c o t 3 x -
c o t 3 x   c o t x = 1 23 )   tan 4 x = 4 tan x ( 1 -
tan x ) 1 - 6 tan 2 x + tan 4 x

Ankita Agarwal · Accepted Answer

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Answer 22
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22 ) c o t x c o t 2 x - c o t 2 x c o t 3 x - c o t 3 x c o t x = 1 23 ) tan 4 x = 4 tan x ( 1 - tan x ) 1 - 6 tan 2 x + tan 4 x