4cos(-ПИ/3)-tan(ПИ/4)+2sin(-ПИ/6)-cos(ПИ)
4cos(-П/3)-tg(П/4)+2sin(П/6)-cosП=4cos(П/3)-tg(П/4)-2sin(П/6)-cosП=4*1/2-1-2*1/2+1=2-1=1
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
4cos(-П/3)-tg(П/4)+2sin(П/6)-cosП=4cos(П/3)-tg(П/4)-2sin(П/6)-cosП=4*1/2-1-2*1/2+1=2-1=1