Question

sin 24° cos 36⁰°- cos
24°Sint-36 ) =

Answer 1

Ответ: =√3/2

Объяснение:

sinαcosβ+cosαsinβ=sin(α+β)

sin(-α)=-sinα

=> sin24°cos36°-cos24°sin(-36°)=  sin24°cos36°+cos24°sin36°=

=sin(24°+36°)=sin60° =√3/2