Question

Giải phương trình: 

\(\sin3x-\sin4x+\sin5x=0\).

 

Answer 1

Answer 2

Answer 3

x=π/3+k2π

x=-π/3+k2π

Answer 4

 

 

Answer 5

  

Answer 6

Answer 7

 

Answer 8

  

Answer 9

 

Answer 10

 

Answer 11

x = π/3 + k2π

x = -π/3 + k2π

Answer 12

x=π/3+k2π

x=π/3+k2π

Answer 13

kπ/4 , π/3 +k2π , -π/3 +k2π , kϵz

Answer 14

 

Answer 15

x=Kπ/4

X=π/3+k2π

x=-π/3+k2π

K thuộc Z

Answer 16

Answer 17

x=π/3+k2π

x=-π/3+k2π

Answer 18

sin3x+sin5x-sin4x=0
<->2sin4x.cos-sin4x=0
<->2cosx=1
<->cosx=1/2
<->x=π/6 +k2π hoặc x=-π/6 +k2π