Vectors a and b are such that the magnitude of a = magnitude of b and the angle between a and b is 40 degress. The angle between vectors a and a + b is?

Thanks for the help!

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- November 12th 2006, 03:28 AMclassicstringsVectors
Vectors a and b are such that the magnitude of a = magnitude of b and the angle between a and b is 40 degress. The angle between vectors a and a + b is?

Thanks for the help! - November 12th 2006, 03:40 AMearboth
- November 12th 2006, 04:08 AMclassicstrings
dankeschön! My german exam is tommorrow :D, then maths on Wednesday, then chinese on thursday!