[" The vector "vec a" and "vec b" satisfy the equation "2vec a+vec b=vec p" and "vec a+2vec b=vec q" ,where "vec p=hat i+hat j" and "],[vec q=hat i-hat j" If "theta" is the angle between "vec a" and "vec b" ,then "]

The vector vec a and vec b satisfy the equation 2vec a+vec b=vec p and +2vec b=vec q ,where vec p=hat i+hat j and vec q=hat i-vec j If theta is the angle between vec a and vec b backslash ,then cos theta=(4)/(5) b.sin theta=(1)/(sqrt(2))c*cos theta=-(4)/(5)d*cos theta=-(3)/(5)

The vector vec a\ a n d\ vec b satisfy the equation 2 vec a+ vec b= vec p\ and vec a+2 vec b= vec q ,\ w h e r e\ vec p= hat i+ hat j\ a n d\ vec q= hat i- vec jdot If theta is the angle between vec a\ a n d\ vec b"\ " , then a. costheta=4/5 b. sintheta=1/(sqrt(2)) c. costheta=\ -4/5 d. costheta=-3/5

Find vec a +vec b if vec a = hat i - hat j and vec b =2 hat i

Find vec a +vec b if vec a = hat i - hat j and vec b =2 hat i

Find vec a +vec b if vec a = hat i - hat j and vec b =2 hat i

Find the angle between the vectors vec a and vec b where: vec a=hat i-hat j and vec b=hat j+hat k

Find the angle between the vectors vec a and vec b where: vec a=hat i+2hat j-hat k,vec b=hat i-hat j+hat k

Find ( vec a+3 vec b).(2 vec a- vec b) , If vec a= hat i+ hat j+2 hat k and vec b=3 hat i+2 hat j- hat k

If vec a=hat i-hat j and vec b=-hat j+hat k find the projection of vec a on vec b

Find the angle between the vectors vec a\ a n d\ vec b where: vec a= hat i+2 hat j- hat k ,\ vec b= hat i- hat j+ hat k