# Solve for x: arccos(2x)+arccos(x)=pi?

• Solve for x: arccos(2x)+arccos(x)=pi?

Avoid squaring which often incurs the burden of extraneous roots. Let $\displaystyle \arccos x=\theta\ \ \ \ (1)\implies x=\cos\theta$ We have ...
Positive: 76 %
... (arccos(x-pi/3))=cos ... How do you solve for x in #arccos(x-pi/3) ... What is the limit as x approaches negative infinity of #x + sqrt(x^2 + 2x) ...
Positive: 73 %

### More resources

Online arccos(x) calculator. Inverse cosine calculator. ... Home›Calculators›Math Calculators› Arccos calculator Arccos Calculator. Arccos(x) ...
Positive: 76 %
Resources / Answers / Y=arccos(2x-3)/pi +1 Ask a question. 0 ... arccos(x) is a bit of a ... Kindly solve out these 2 questions ...
Positive: 71 %
Get an answer for 'solve 2arccos(x)=arccos(2x-1) ... (-1) which arccos(0) = pi/2 and arccos(-1) = pi so this checks. 2arccos(1) = arccos(1) since arccos(1) ...