Mathematics · Vector Algebra
Let â and b̂ be two unit vectors and θ be the angle between them. Which of the following is equal to cos(θ2)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1|â - b̂|2
- 2|â + b̂|2✓
- 3|â - b̂|4
- 4|â + b̂|4
Correct answer
|â + b̂|2
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