\frac{\cos^{3}{a} \sin^{3}{a}}{1 + \sin{a} \cos{a}}

Type your math problem... \frac{\cos^{3}{a} - \sin^{3}{a}}{1 + \sin{a} \cos{a}}

Question

\frac{cos ^{3} ( a ) - sin ^{3} ( a )}{1 + sin ( a ) cos ( a )}

Simplify the expression

cos (a) - sin (a)

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