Срочно sin^2x=3sinxcosx - №23736806

Срочно sin^2x=3sinxcosx
- Предмет:
  Математика
- Автор:
  eusebio
- 5 лет назад

Ответы 1

sin2x=3sinxcosx
2sinxcosx-3sinxcosx=0
-sinxcosx=0
sinx=o
x=Пn
cosx=0
x=П/2+Пn
- Автор:
  ramón16
- 5 лет назад
- 0
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A REAL FRIEND Many years ago a rich man named Llewellyn lived in the moun tains Wales. He had a little son two years old, whom he loved very dearly a was always near the boy. He was ready protect him at any moment. ared to go hunting, Gelert could Heel be d, and Llewellyn had to go without him. That day the hunt was not good because his favourite hound was absent. When Llewellyn came back home late in the alternoon, Gelert came running to meet him. There was blood on his face and head. Llewellyn hurried to the room where the child slept. The child could not be seen in the room. The bed. chairs and ta- bles were overturned. Here Bnd there he could see blood on the floor Llewellyn turned to Gelert and said, "You have killed my child' So he killed the dog. But a few minutes later he found his son in his overturned bed He was all right. Then he saw the body of a large grey wolf lying in a dark corner of the room. Then Llewellyn mnderst everyth Gelert had killed the wolf before it attacked the child. Llewellyn laid a great stone in his yard as a monument to his hound
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