Question

R=a+b where R' a and b are non zero vectors .if R=a=b the angle btw R. and a is .?​

Answer 1

R=a+b where R' a and b are non zero vectors, if R=a=b the angle between R and a is 120 degree.

Explanation:

• R²  = A²   + B²   + 2 AB cosθ

       But, R=A=B

       Hence,  A²  = A²  + A² + 2A²  cosθ

       cosθ =  −1 /2

       Hence, the answer is θ=120°.

To Learn More...

1.Given R vector = A vector+ B vector and R= A=B. The angle between A and  B is...??​

https://brainly.in/question/10637781

​

Answer 2

Answer of the above mentioned.