Вычислите √3 ctg (5arcsin(-1/2)+7п/6)

Question

Вычислите √3 ctg (5arcsin(-1/2)+7п/6)

Answer 1

√3(5*(-π/6)+7π/6)=√3ctg(-5π/6+7π/6)=√3ctgπ/3=√3*1/√3=1