cos 43° cos 17° - sin 43° sin 17° = cos (43° + 17°) = cos (60°) = 1/2 = 0,5
Ответ: 0,5.
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
cos 43° cos 17° - sin 43° sin 17° = cos (43° + 17°) = cos (60°) = 1/2 = 0,5
Ответ: 0,5.