sin16п/3+tg 9п/4+1/2*ctg 5п/6

Question

sin16п/3+tg 9п/4+1/2*ctg 5п/6

Answer 1

sin16п/3+tg 9п/4+1/2*ctg 5п/6=

=sin p/3 + tg 1/4p + 1/2*(-ctg p/6)=

= sqrt3/2+1-sqrt3/2=1