ответcos( – π/6) × sin( – π/3) + tg( – π/4) =
=cos( π/6) × (–sin( π / 3)) – tg(π/4)=
=(√3/2) ×(–√3/2)–1=(3/4)–1=–1/4.:
Объяснение:
cos( – π/6) × sin( – π/3) + tg( – π/4) =
=(√3/2) ×(–√3/2)–1=(3/4)–1=–1/4.
