Ask your own question, for FREE!
Mathematics 23 Online
OpenStudy (anonymous):

((cos^3 10+sin^3 20)÷(cos 10+sin 20)=?????

OpenStudy (anonymous):

Oh boy XD. Well wait a minute. Don't they cancel each other out? And all you will be left with is cos^2+sin^2? I think there is something I am missing unless the point is to cross out. Perhaps you can't cancel out binomials in this expression.

OpenStudy (anonymous):

^ which equals 1 :)

OpenStudy (anonymous):

How did u get that?? Please tell the process .and very thanks for the answer

OpenStudy (anonymous):

|dw:1371402026500: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!
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!