How do i prove that #csc 2x+cot 2x=cot x#?
I tried doing it:
#1/(sin2x)+1/(tan2x)#
#=1/(2sinx cost)+1/(2tan x/(1-tan^2 x)#
#=1/(2 sin x cos x)+(1-tan^2 x)/(2 tan x#
Can someone help please?
I tried doing it:
Can someone help please?
1 Answer
Nov 21, 2017
See the proof below
Explanation:
We need
Therefore,