Question

sin п/3+cos2п/3-tgп/4-ctgп/3

Answer 1

$frac{ sqrt{3} }{2} +2(cos frac{ pi }{3} )^2 - 1-1- frac{1}{ sqrt{3} } = frac{ sqrt{3}+1 }{2} -2- frac{1}{ sqrt{3} } = frac{3+ sqrt{3}-4 sqrt{3}-2 }{2 sqrt{3} }$=$frac{1-3 sqrt{3} }{2 sqrt{3} }$