Ask your own question, for FREE!
Mathematics 11 Online
OpenStudy (anonymous):

write the expressionn sin2x+cos2x as one involving only sinx and cosx

OpenStudy (anonymous):

sin2x=2sinx * cosx cos2x=1 - 2sin^2(x) add both of them to get the answer. hope that helps

OpenStudy (anonymous):

fan me ...if answer is correct..thanx

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
1 day ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
1 day 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!