Physics, asked by Devansh4255, 1 year ago

Find the sine angle between the vectors A= 3i-4j+5k and B= i-j+k?

Answers

Answered by Nameshraj
30
easy one.
you have given 2 vectors.
First find their cross product.
Uss determinant method.
You will get a vector as a determinant.
Find it's magnitude.
Note that you have found the magnitude of ABsin(theta) now.

Now find magnitude of a. I think its 5root2.
Find that of B. that's root 3.

Now take their product in order to get AB.

Now divide ABsin(theta) by AB in order to get Value of sin theta.

Hope this helps.
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