SOLUTION: Use a product-to-sum formula to rewrite sin4d cos as a sum or difference. sin4d cosd =

SOLUTION: Use a product-to-sum formula to rewrite sin4d cos as a sum or difference. sin4d cosd =

Algebra.Com

Question 1070185: Use a product-to-sum formula to rewrite sin4d cos as a sum or difference.
sin4d cosd =
Answer by Edwin McCravy(20060) (Show Source): You can put this solution on YOUR website!

Adding the formulas



we get



or 



or the product-to-sum formula:



Substituting A = 4d, B = d



Edwin

RELATED QUESTIONS
Use a sum-to-product formula to rewrite cos 5a + cos 4a as a... (answered by vleith)

use the product to sum formula to rewrite the product as a sum or difference. sin 4theta (answered by ikleyn)

Use the product-to-sum formulas to rewrite the product as a sum or difference. sin... (answered by MathLover1,MathTherapy,ikleyn)

Use the sum-to-product formula to rewrite sin6z-sin3z as a product. sin6z-sin3z=? (answered by stanbon)

Rewrite the product as a sum or difference. 2 sin(9x)... (answered by Edwin McCravy,ikleyn)

Rewrite the product as a sum involving sine and/or cosine... (answered by stanbon)

Okay, so I'm confused on how to answer this... The question is... Use the... (answered by jim_thompson5910)

Use the sum-to-product formulas to write the difference as a product. cos(x + π/3)... (answered by stanbon)

How touse the product-to-sum formulas to write the product as a sum or difference.... (answered by Collinwilfixyouuprealnice)