Question

упростите выражение 44/(sin^2 44+sin^2 134)

Answer 1

$frac{44}{ {sin}^{2} 44 + {sin}^{2} 134} = frac{44}{ {sin}^{2} 44 + {sin}^{2}(90 + 44) } = frac{44}{ {sin}^{2}44 + {cos}^{2} 44 } = frac{44}{1} = 44$