Ответ:
sin3t/sint - cos3t/cost - 1= (sin3t*cost - cos3t*sint )/sint*cost -1 =
= 2sin(3t+t )/sin2t -1 = 2sin4t/sin2t -1 = 2*2sin2t*cos2t )/sin2t -1 =
= 4cos2t -1.
Пошаговое объяснение:
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
sin3t/sint - cos3t/cost - 1= (sin3t*cost - cos3t*sint )/sint*cost -1 =
= 2sin(3t+t )/sin2t -1 = 2sin4t/sin2t -1 = 2*2sin2t*cos2t )/sin2t -1 =
= 4cos2t -1.
Пошаговое объяснение: