Ask your own question, for FREE!
Mathematics 17 Online
OpenStudy (anonymous):

Trig Question...

OpenStudy (anonymous):

Triangle ABC is right angled at C, and K is the midpoint of AB. Also, CK has the same length as AK and BK. Prove that cos x = (b^2-a^2)/(b^2+a^2), where x = <BKC

OpenStudy (aravindg):

could u please draw a figure first?

OpenStudy (anonymous):

Drawing...

OpenStudy (anonymous):

|dw:1335856565383: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!