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 ->  Trigonometry-basics -> 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) }}}      Log On


   

Question 929785: Use a sum or difference formula to find the exact value of the following:
+sin%283pi%2F5%29cos%287pi%2F30%29%2Bcos%283pi%2F5%29sin%287pi%2F30%29+
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Identity: sin(x+y)=sinxcosy+cosxsiny