Question

ДАЮ МНОГО БАЛЛОВ
$2 sin( frac{5pi}{6} ) - 4 cos( frac{2pi}{3} ) + 6 sin( frac{3pi}{4} ) - cot( frac{2pi}{3} ) + tan( frac{5pi}{6} )$

2sin 5π/6-4cos 2π/3+6sin 3π/4-ctg 2π/3+tg 5π6​

Answer 1

2sin 5π/6-4cos 2π/3+6sin 3π/4-ctg 2π/3+tg 5π6​=

= 2*(1/2) -4*(- 1/2) +6*(√2/2) - ( - 1/√3) +(-1/√3) = 1+2+3√2 = 3+ 3√2