Ask your own question, for FREE!
Calculus1 7 Online
OpenStudy (anonymous):

express as a sum or difference sin7xsin4x

OpenStudy (anonymous):

sin(a)sin(b)= 1/2[cos(a-b)-cos(a+b)]

OpenStudy (anonymous):

i know you use the sum - product formula but how do i go from there

OpenStudy (anonymous):

from two formula

OpenStudy (anonymous):

what do u want?

OpenStudy (anonymous):

|dw:1354995974628:dw|

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arriyanalol: i need help
2 days ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
2 days ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!