Ask your own question, for FREE!
Mathematics 8 Online
OpenStudy (anonymous):

prove that sin(a)+sin(b) = 2sin((a+b)/2)*cos((a-b)/2)

OpenStudy (anonymous):

Are you allowed to use the product-to-sum formula? If so, try using that on the right hand side :)

OpenStudy (anonymous):

Lifesaver :)

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!
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!