Question

24√2•cos(-π3)sin(-π4)

Answer 1

$24 sqrt{2} *cos(- frac{ pi }{3})*sin(- frac{ pi }{4})=24 sqrt{2} *cos frac{ pi }{3}*sin(- frac{ pi }{4}) =$$=-24 sqrt{2} *cos frac{ pi }{3}*sin frac{ pi }{4} =-24 sqrt{2} * frac{1}{2} * frac{ sqrt{2} }{2}=-12$