Can tan(x)=cot(x)? If yes, list all possible values of x?

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1 Answer
Mar 26, 2018

see below

Explanation:

tanx=cotx

tanx=1/tanx

=>tan^2x=1

=>tanx=sqrt1

x=tan^(-1)+-1

principal value x=pi/4

since the only option with pi/4

is the first one

we have

(2n+1)pi/4