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# I need help. 2 tan -1 ​x=1. Any suggestions?

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I need help. 2 tan-1x=1. Any suggestions?

Guest May 23, 2017

#2
+2248
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I do have a suggestion, actually! Here is the original equation:

 $$2\tan^{-1}{x}=1$$ Divide 2 on both sides $$\tan^{-1}{x}=\frac{1}{2}$$ $$\tan({\frac{1}{2}})=x$$ Evaluate with a calculator.

Now, I am giving you 2 answers because I do not know if you want your answer in degree mode or in radian:

Degree mode:
$$x\approx0.008726867791$$

$$x\approx0.546302489844$$

TheXSquaredFactor  May 23, 2017
#1
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Solve for x:
2 tan^(-1)(x) = 1

Divide both sides by 2:
tan^(-1)(x) = 1/2

Take the tangent of both sides:

Guest May 23, 2017
#2
+2248
+1

I do have a suggestion, actually! Here is the original equation:

 $$2\tan^{-1}{x}=1$$ Divide 2 on both sides $$\tan^{-1}{x}=\frac{1}{2}$$ $$\tan({\frac{1}{2}})=x$$ Evaluate with a calculator.

Now, I am giving you 2 answers because I do not know if you want your answer in degree mode or in radian:

Degree mode:
$$x\approx0.008726867791$$

$$x\approx0.546302489844$$