Sin a 3 2

$Prove that \\( \\frac{\\sin \\theta-2 \\sin ^{3} \\theta}{2 \\cos ^{3} \\theta ...$

$trigonometry - Verify the identity $\\sin 3x + \\sin x = 4\\sin x - 4\\sin ...$

$( frac { 1 } { sin 3 alpha } left[ sin ^ { 3 } alpha + sin ^ { 3 } left ...$

$integration - Different answers for integral of $\\sin^3x$ - Mathematics ...$