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Question

Solve the following equations.
3logtanx2.3logcotx+1=1

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Solution

x=log23
3logtanx2.3logcotx+1=1
3logtanx2.3.3log1tanx=1
3logtanx6.3logtanx=1
Let 3logtanx=t
t6t=1t2t6=0
t23t+2t6=0
t(t3)+2(t3)=0
(t3)(t+2)=0
t=3,t=2
logtanx
3=31
logtanx=1
tanx=10
x=tan1(10)
3logtanx=2
logtanx=log2
tanx=10log32

1131542_886888_ans_adede074eecd44c184d57bb53ad60d05.jpg

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