Question-18167

Question Number 18167 by ajfour last updated on 16/Jul/17

Commented by ajfour last updated on 16/Jul/17

just for fun .

Commented by mrW1 last updated on 16/Jul/17

\emptyset = \tan^{- 1} \frac{3}{3} - \tan^{- 1} \frac{2}{4} = 45 ° - 26.6 ° = 18.4 °

Commented by ajfour last updated on 16/Jul/17

= ϕ = \tan^{- 1} (\frac{1 - 1 / 2}{1 + 1 / 2}) = \tan^{- 1} \frac{1}{3} .

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