Question

Fin the value of cos cube 45 + sin cube 30

Answer 1

꧁☆☬ANSWER☬☆꧂

${cos}^{3} 45 + {sin}^{3} 30 \\ = ({ \frac{1}{ \sqrt{2} } })^{3} + ( \frac{1}{2} )^{2} \\ = \frac{1}{ 2\sqrt{2} } + \frac{1}{4}$