Rapiguana Rapiguana
  • 24-07-2014
  • Mathematics
Answered

Write sin3xCos2x + cos3xsin2x as a single trigonometric function



Answer :

luana
luana luana
  • 24-07-2014
For any angles formula is:
sin(a+b)=sinαcosβ+cosαsinβ
In our exercise :
α=3x β=2x
sin3xcos2x+cos3xsin2x=sin(3x+2x)=sin(5x)
Result is : sin5x
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