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0-lt-lt-pi-2-sin-1-3-cos-1-3-tan-1-3-tan-cot-2-




Question Number 156082 by mnjuly1970 last updated on 07/Oct/21
       0< α <(π/2)       (( sin(α)))^(1/( 3))  + ((cos(α))^(1/3) )= (( tan(α)))^(1/3)             (( tan (α ) + cot (α ))/2) =?
$$ \\ $$$$\:\:\:\:\:\mathrm{0}<\:\alpha\:<\frac{\pi}{\mathrm{2}}\:\:\: \\ $$$$\left.\:\:\sqrt[{\:\mathrm{3}}]{\:{sin}\left(\alpha\right)}\:+\:\sqrt[{\mathrm{3}}]{{cos}\left(\alpha\right.}\right)=\:\sqrt[{\mathrm{3}}]{\:{tan}\left(\alpha\right)} \\ $$$$\: \\ $$$$\:\:\:\:\:\:\:\frac{\:{tan}\:\left(\alpha\:\right)\:+\:{cot}\:\left(\alpha\:\right)}{\mathrm{2}}\:=? \\ $$

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