Вычислить: sin2+sin(2+π)+cos^2(-π/12)+sin^2(π/12)

Question

Вычислить: sin2+sin(2+π)+cos^2(-π/12)+sin^2(π/12)

Answer 1

Sin2+sin(2+π)+cos^2(-π/12)+sin^2(π/12)=
sin2-sin2+(cos^2(π/12)+sin^2(π/12))=0+1=1