Question Number 199005 by Safojon last updated on 26/Oct/23
Commented by mr W last updated on 29/Oct/23
$${i}\:{got}\:\frac{\mathrm{1}}{\mathrm{tan}\:\mathrm{1}°} \\ $$$${solution}\:{see}\:{Q}\mathrm{199226} \\ $$
Commented by Rasheed.Sindhi last updated on 27/Oct/23
$${How}\:{the}\:{series}\:{contains}\:\mathrm{180}? \\ $$$$\mathrm{2},\mathrm{4},\mathrm{8},…,\mathrm{2}^{{n}} \\ $$$$\mathrm{2}^{{n}} \neq\mathrm{180}\:{for}\:{integer}\:{n}. \\ $$$${please}\:{help}\:{me}\:{to}\:{understand}. \\ $$
Commented by mr W last updated on 27/Oct/23
$$\mathrm{2},\mathrm{4},\mathrm{6},\mathrm{8},…,\mathrm{178},\mathrm{180} \\ $$$${totally}\:\mathrm{90}\:{terms} \\ $$$${a}_{{n}} =\mathrm{2}{n},\:{not}\:\mathrm{2}^{{n}} \\ $$
Commented by Rasheed.Sindhi last updated on 27/Oct/23
$$\mathbb{T}\boldsymbol{\mathrm{hanks}}\:\boldsymbol{\mathrm{sir}}! \\ $$