Prove that r^2=x^2+y^2+z^2
Attachments:
Answers
Answered by
1
RHS: (rsinAcosC)^2 + (rsinAsinC)^2 + (rcosA)^2
= r^2 ( (sinA)^2 ( (cosC)^2 + (sinC)^2 ) + (cosA)^2)
= r^2 ( (sinA)^2 + (cosA)^2 )
= r^2
= LHS
RHS = LHS
hence proved
If you like it, then please mark it as brainliest
( I am in need of it )
= r^2 ( (sinA)^2 ( (cosC)^2 + (sinC)^2 ) + (cosA)^2)
= r^2 ( (sinA)^2 + (cosA)^2 )
= r^2
= LHS
RHS = LHS
hence proved
If you like it, then please mark it as brainliest
( I am in need of it )
Similar questions