If |a – b| = |a| = |b| = 1, then the angle between a and b is
A. \(\frac{\pi}{3}\)
B. \(\frac{3 \pi}{4}\)
C. \(\frac{\pi}{2}\)
D. 0
Answer:A
If |a – b| = |a| = |b| = 1, then the angle between a and b is
A. \(\frac{\pi}{3}\) B. \(\frac{3 \pi}{4}\) C. \(\frac{\pi}{2}\) D. 0