Ask your own question, for FREE!
Mathematics 16 Online
OpenStudy (anonymous):

Evaluate 15cos60°.

OpenStudy (kainui):

What's your best attempt?

OpenStudy (anonymous):

-14.5 I think

OpenStudy (kainui):

How did you get that?

OpenStudy (kainui):

I think you did 1/2-15 when you should have done (1/2)*15 since cos(60)=1/2.

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!