If `theta` is the angle between unit vectors `vecA` and `vecB`, then `((1-vecA.vecB))/(1+vecA.vecB))` is equal to

If theta is the angle between any two vectors veca and vecb , then |veca.vecb|=|veca xx vecb| when theta is equal to

the angle between vectors veca × vecb and vecb × veca is

If theta is the angle between the unit vectors veca and vecb , then prove that cos((theta)/2)=1/2|veca+vecb|

If theta is the angle between the unit vectors veca and vecb , then prove that sin (theta/2)=1/2|veca-vecb|

If theta is the acute angle between any two vectors " " veca" and "vecb , then |veca.vecb|=|vecaxxvecb| when theta is equal to :

If the angle between the vectors vecA and vecB is theta, the value of the product (vecB xx vecA) * vecA is equal to

If the angle between the vectors vecA and vecB is theta, the value of the product (vecB xx vecA) * vecA is equal to

Assertion: If theta be the angle between vecA and vecB then tan theta=(vecAxxvecB)/(vecA.vecB) Reason: vecAxxvecB is perpendicular to vecA.vecB