Tuesday
July 28, 2015

Homework Help: mathematics

Posted by edward on Thursday, May 23, 2013 at 3:15pm.

1.)Sin^-1(x)+Sin^-1(y)+Sin^-1(z)= pie
Prove that
X.root(1-y^2)+y.root(1-x^2)+z.root(1-z^2)=2xyz
2.)tan^-1(yz/xr)+tan^-1(zx/yr)+tan^-1(xy/zr)=pie/4
Prove that
x^2+y^2+z^2=r^2
Tomorrow is my exam.please give me answer as soon as possible.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Members