$$(1- \cot 27)(1- \cot 18)=$$
$2.0000000000000006118574718632524$
$${(1 - 1.9626105055051506)} {(1 - 3.077683537175254)}$$
$$-0.9626105055051506\left(1-3.077683537175254\right)$$
$$-0.9626105055051506\left(-2.077683537175254\right)$$
$$2.0000000000000006118574718632524$$
Show Solution
Hide Solution