C)60°,60° and 45°
angle with x-axis :
cosθ= A.B|A||B|=1√1+1+2=12
θ=60°
angle with y-axis :
cosθ= A.B|A||B|=1√1+1+2=12
θ=60°
angle with z-axis :
cosθ= A.B|A||B|=√2√1+1+2=1√2
θ=45°
Manish Sarkar in the determination of angle with z-axis...why is A.B =root 2???
Upvote·0· Reply ·2013-06-22 06:38:10Raunaq Saha i+j+√2k.k=√2 isn't it ?
Manish Sarkar ummmm yesss!!!