Menu Close

cot-15-cot-16-cot-17-cot-75-




Question Number 129801 by bramlexs22 last updated on 19/Jan/21
 cot 15° cot 16° cot 17°... cot 75°=
$$\:\mathrm{cot}\:\mathrm{15}°\:\mathrm{cot}\:\mathrm{16}°\:\mathrm{cot}\:\mathrm{17}°…\:\mathrm{cot}\:\mathrm{75}°= \\ $$
Answered by EDWIN88 last updated on 19/Jan/21
=1   [ cot 15°=tan 75° etc ]
$$=\mathrm{1} \\ $$$$\:\left[\:\mathrm{cot}\:\mathrm{15}°=\mathrm{tan}\:\mathrm{75}°\:\mathrm{etc}\:\right]\: \\ $$

Leave a Reply

Your email address will not be published. Required fields are marked *