Math, asked by suman693066, 1 year ago

sin5x+sin3x=0 plz answer this

Answers

Answered by Anonymous

6

sin C + sin D= 2 sin((C+D)/2) cos((C-D)/2)

Sin5x+sin3x=0

2 sin4x cosx=0

sin4x=0

4x=0,π,2π,3π,4π

x=0,π/4,π/2...

-----------------

cos x=0

x=π/2,3π/2..

suman693066: thnks

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