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Komal Borah
Asked: 2022-10-29T00:33:14+05:30 In:

If `theta` is the angle between unit vectors `vecA` and `vecB`, then `((1-vecA.vecB))/(1+vecA.vecB))` is equal to
A. `tan^(2)(theta//2)`
B. `sin^(2)(theta//2)`
C. `cot^(2)(theta//2)`
D. `cos^(2)(theta//2)`

If `theta` is the angle between unit vectors `vecA` and `vecB`, then `((1-vecA.vecB))/(1+vecA.vecB))` is equal to
A. `tan^(2)(theta//2)`
B. `sin^(2)(theta//2)`
C. `cot^(2)(theta//2)`
D. `cos^(2)(theta//2)`
Parabola
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1 Answer

  1. Correct Answer – A
    `(1-vecA.vecB)/(1+vecA.vecB)=(1-cos theta)/(1+cos theta)`

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