Question : fraccos^{3{ a } - sin^3{ a }}1 + sin{{ a } cos{ a }} Simplifica la expresión cos(a)−sin(a) Evalúe 1+sin(a)cos(a)cos3(a)−sin3(a)Transforma la expresión 1+sin(a)cos(a)(cos(a)−sin(a))(cos2(a)+sin(a)cos(a)+sin2(a))Usa sin2(t)+cos2(t)=1 para transformar la expresioˊn 1+sin(a)cos(a)(cos(a)−sin(a))(1+sin(a)cos(a))Solution cos(a)−sin(a) Show Solution