SOLUTION: Prove the following identity:
sin3x+ sinx= 2 sin2xcosx
Help would be greatly appreciated!
Algebra.Com
Question 1103337: Prove the following identity:
sin3x+ sinx= 2 sin2xcosx
Help would be greatly appreciated!
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Prove the following identity:
sin3x+ sinx= 2 sin2xcosx
---------
Is it sin^3(x) ?
Or sin(3x) ?
RELATED QUESTIONS
Prove the following identity.
cos2x/sinx = cscx-2sinx
How do I go about this... (answered by MathLover1,Boreal)
Verify the identity.
{{{((cscx+secx)/(sinx+cosx))=cosx+tanx}}}
Quick help would be... (answered by Edwin McCravy)
sin3x + cos3x
------------- = 1-sinxcosx
sinx + cosx
prove this... (answered by venugopalramana)
I have been working on this math problem and i don't understand how to do it. I was... (answered by nyc_function)
prove: sinx - sinx cos2x... (answered by Alan3354)
verify the identity algebraically... (answered by jsmallt9)
Prove: (sin3x/sinx)-(cos3x/cosx)=2
I cannot seem to figure this proof out. Please... (answered by htmentor)
Would the identity to prove the sum/difference tangent formula be... (answered by Theo)
Prove the following identity:... (answered by Boreal)