query: How to convert $\arctan(24/7) $to $2\arctan(3/4)$?
positive_passages.docid: 158210
positive_passages.text: showing $\arctan(\frac{2}{3}) = \frac{1}{2} \arctan(\frac{12}{5})$
negative_passages.docid: 117393
negative_passages.text: Behavior of ArcTan when two zeros are given as arguments
negative_passages.docid: 20263
negative_passages.text: Convergence of a Sequence Involving arctan - Is my solution correct?
negative_passages.docid: 154172
negative_passages.text: Finding $\tan t$ if $t=\sum\tan^{-1}(1/2t^2)$
negative_passages.docid: 32278
negative_passages.text: Adjoining 1/2 to $\Bbb{Z}/12\Bbb{Z}$
negative_passages.docid: 52413
negative_passages.text: Show that $\tan{(\pi/7)} \tan{(2\pi/7)}\tan{(3\pi/7)}=\sqrt{7}$
negative_passages.docid: 103144
negative_passages.text: Is there a way to write this expression differently: $\arctan 1/(1+n+n^2)$?
negative_passages.docid: 22455
negative_passages.text: convert 12-hour hh:mm AM/PM to 24-hour hh:mm
negative_passages.docid: 4573
negative_passages.text: Explicitly finding the sum of $\arctan(1/(n^2+n+1))$
negative_passages.docid: 109887
negative_passages.text: How to evaluate $\int_0^1 (\arctan x)^2 \ln(\frac{1+x^2}{2x^2}) dx$
negative_passages.docid: 125735
negative_passages.text: How do I evaluate $\int_{1/3}^3 \frac{\arctan x}{x^2 - x + 1} \; dx$?
negative_passages.docid: 95108
negative_passages.text: Alternative form of ArcSin[Sin[x]]
negative_passages.docid: 142673
negative_passages.text: Evaluate $\tan^{2}(20^{\circ}) + \tan^{2}(40^{\circ}) + \tan^{2}(80^{\circ})$
negative_passages.docid: 138195
negative_passages.text: An inequality for arctan$x$
negative_passages.docid: 25065
negative_passages.text: What is $\arctan(x) + \arctan(y)$
negative_passages.docid: 49443
negative_passages.text: What is the value of $\arctan(1/2)+\arctan(1/5)+\arctan(1/8)$?
negative_passages.docid: 24391
negative_passages.text: $\arcsin$ written as $\sin^{-1}(x)$