Question Number 149793 by mathdanisur last updated on 07/Aug/21
$$\mathrm{Compare}: \\ $$$$\mathrm{tan}\left(\mathrm{11}°\right)\:\:\:\mathrm{and}\:\:\:\frac{\mathrm{1}}{\mathrm{5}} \\ $$
Commented by DonQuichote last updated on 07/Aug/21
$$\frac{\mathrm{1}}{\mathrm{5}}\in\mathbb{Q}\:{but}\:{tan}\:\mathrm{11}°\:\notin\mathbb{Q} \\ $$$${what}\:{else}\:{can}\:{I}\:{tell}\:{you}? \\ $$$${what}\:{do}\:{you}\:{expect}? \\ $$