SOLUTION: Use a sum or difference formula to find the exact value of the following: {{{ sin(3pi/5)cos(7pi/30)+cos(3pi/5)sin(7pi/30) }}}

Algebra.Com
Question 929785: Use a sum or difference formula to find the exact value of the following:

Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
Identity: sin(x+y)=sinxcosy+cosxsiny


RELATED QUESTIONS

Use a sum or difference formula to find the exact value of the following. cos 7pi/10... (answered by lwsshak3)
Use a sum or difference formula to find the exact value of the following. {{{... (answered by ikleyn)
Find exact value of cos 3pi/4 sin... (answered by lwsshak3)
1. find the value of cos 7pi/6 sin 3 pi/4 + sin 7pi/6 cos 3pi/4 (answered by Alan3354)
Find the value of sin 3pi/2 + cos 2pi/3 + sec... (answered by stanbon)
Use a sum or difference formula or a half angle formula to determine the value of the... (answered by Alan3354)
Find the exact value of sin(7pi/12) by using a sum or difference formula. (answered by Edwin McCravy)
Find the quotient of the complex numbers. Leave answer in polar form. z1 =... (answered by stanbon)
Use a sum or difference formula to find the exact value of the following. cos 2(pi)/5... (answered by ikleyn)