anonymous
  • anonymous
will fan and medal sin(2x)cos(7x)= 1/2sin(9x) + 1/2sin(5x) 1/2sin(9x) - 1/2sin(5x) 1/2sin(5x) + 1/2sin(9x) 1/2sin(5x) - 1/2sin(9x)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
sin(2x)cos(7x)
anonymous
  • anonymous
hmmm
anonymous
  • anonymous
a i think

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anonymous
  • anonymous
i need a sure answer sorry
anonymous
  • anonymous
@Missiey
anonymous
  • anonymous
I think a to
anonymous
  • anonymous
alright imma check another site as well
anonymous
  • anonymous
I will to don't input it yet
anonymous
  • anonymous
im not
anonymous
  • anonymous
was i right
anonymous
  • anonymous
@Directrix If your on Help
anonymous
  • anonymous
@siahniya16
anonymous
  • anonymous
@Hero @satellite73
anonymous
  • anonymous
Here's a website to help you... https://mathway.com/
anonymous
  • anonymous
i have tried that site trust me i knew about that site for like 2-3 years it isnt working on my questions
anonymous
  • anonymous
just go a bro
anonymous
  • anonymous
Did you write the question out correctly?
anonymous
  • anonymous
yes im sure of it
anonymous
  • anonymous
You can rewrite it to: \[sin(2x)cos(7x)=\frac{1}{2}(sin(9x)-sin(5x))\] That looks like one of your answers, if you multiply 1/2 inside the brackets, which one?
anonymous
  • anonymous
B.???
anonymous
  • anonymous
Correct :)
anonymous
  • anonymous
thanks @Tommynaiter can you help with the other 14
anonymous
  • anonymous
Try and post the question, maybe I can help :)

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