представить в виде произведения:
sin t + cos t
sint + sin(П/2+t) = 2sin[(t+П/2+t)/2]cos[(t-П/2-t)/2] = 2sin(t + П/4)cos(-П/4) =
= sin(t + П/4)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
sint + sin(П/2+t) = 2sin[(t+П/2+t)/2]cos[(t-П/2-t)/2] = 2sin(t + П/4)cos(-П/4) =
=
sin(t + П/4)