What is the angle between the vectors A with arrow and B with arrow if A...

Question

Question

What is the angle between the vectors A with arrow and B with arrow if A with arrow·B with arrow = -0.707 AB?

Answer 1

Answer #1

Given:

A with arrow·B with arrow = -0.707 AB

we know that,

A with arrow·B with arrow = ABcos()

so cos()= -0.707

=cos^-1(-0.707)=135 degree

Answer 2

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