Question

In: Advanced Math

Let u and v be orthogonal vectors in R3 and let w = 3u + 6v....

Let u and v be orthogonal vectors in R3 and let w = 3u + 6v. Suppose that ||u|| = 5 and ||v|| = 4. Find the cosine of the angle between w and v.

Solutions

Expert Solution

and are orthogonal vector of then we have   

we have to find the angle between and

here   

the angle between two vector

so we have to find out and   

then we put the value and we got the angle between two vector


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