(x';y';z') = (cosfcosb cosfsinb sinf ; cosfsinbcosZ+sinfsinZ sinfcosZ+cosfcosbsinZ cosfcosbcosZ+cosfsinbsinZ ; a31 a32 a33)
a31 = ?
a32 = ?
a33 = ?
x' risti y' = | i j k ; cosfcosb cosfsinb sinf ; cosfsinbcosZ+sinfsinZ sinfcosZ+cosfcosbsinZ cosfcosbcosZ+cosfsinbsinZ |
= ...
= ...
= ...
= (sinbcosbsinZ+(sin^2)bcosZ-(sin^2)f(sinbcosbsinZ+(sin^2)bcosZ+cosZ)-sinfcosfcosbsinZ ; (sin^2)bsinZ+sinbcosZ(sinfcosf+cosZ...
BOOOOOOOOOOOOOOM
(ja oikea vastaus oli: pää räjähti)