Inner Products for Unit Vectors

Let f1, f2, f3 be unit vectors in R3 such that < f1, f2 >= 1/2. Give a necessary and sufficient relationship between x =< f1, f3 > and y =< f2, f3 >.

Please be sure to be rigorous and as detailed as possible.

© BrainMass Inc. brainmass.com March 4, 2021, 5:52 pm ad1c9bdddf
https://brainmass.com/math/basic-algebra/inner-products-unit-vectors-15885

Please see the attachment.

Let be unit vectors in such that . Give a necessary and sufficient relationship between and

Statement. Under ...

This shows how to give a necessary and sufficient relationship between vectors.

$2.19