just how do you fix displaystyle3cot^2x-1=0 in between the term displaystyle0lexle2pi ?

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how do you solve displaystyle1-cot^2x=0 and find all services in the term displaystyle0lex{
displaystyleS=leftlbracefracpi6,frac5pi6,frac7pi6,frac11pi6 ight brace Explanation: displaystyle9+cot^2x=12displaystylecot^2x=12-9 ...
hint Remember the the cotangent function is odd: eginalign* cot(x) = fraccos(x)sin(x) Longrightarrow cot(-x) = fraccos(-x)sin(-x) = -fraccos(x)sin(x) = -cot(x) ...
What is the derivative the displaystylefleft(x ight)=cot^-1left(x ight) ?
Wataru Sep 24, 2014 By implicit Differentiation, displaystylef'left(x ight)=-frac11+x^2 Let united state look at part details.By replacingdisplaystylefleft(x ight) ...

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What is the equation of the line typical to displaystylefleft(x ight)=cot^2x-x^2 in ~ displaystylex=fracpi3 ?
displaystyley-frac13+fracpi^29=frac3sqrt38+2pisqrt3left(x-fracpi3 ight) Explanation:Given role displaystylefleft(x ight)=cot^2x-x^2 ...
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left< eginarray together l 2 & 3 \ 5 & 4 endarray ight> left< eginarray together l l 2 & 0 & 3 \ -1 & 1 & 5 endarray ight>

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