Question Number 212233 by Davidtim last updated on 07/Oct/24
$$\mathrm{sin}^{−\mathrm{1}} \left(\frac{\mathrm{12}}{\mathrm{13}}\right)+\mathrm{cos}^{−\mathrm{1}} \left(\frac{\mathrm{3}}{\mathrm{5}}\right)+\mathrm{tan}^{−\mathrm{1}} \left(\frac{\mathrm{63}}{\mathrm{16}}\right)=? \\ $$
Commented by Davidtim last updated on 07/Oct/24
$${I}\:{kindly}\:{request}\:{you}\:{for}\:{helping} \\ $$