Cos12R+sin42R
Cos(12R)+sin(90r-48r)
Cos(12r)+cos(48r)
2cos(30r)cos(-18r)
2×корень3/2×cos(18r)
Корень3×cos(18r)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Cos12R+sin42R
Cos(12R)+sin(90r-48r)
Cos(12r)+cos(48r)
2cos(30r)cos(-18r)
2×корень3/2×cos(18r)
Корень3×cos(18r)