defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Lines Distance Formula
If the two points are (a.sinα, a.cosα), (a.sinβ, a.cosβ), then what is the distance between them?
1
\(2asin \left ( \frac{\alpha -\beta }{2} \right )\)
2
\(asin \left ( \frac{\alpha -\beta }{2} \right )\)
3
\(2acos \left ( \frac{\alpha -\beta }{2} \right )\)
4
\(acos \left ( \frac{\alpha -\beta }{2} \right )\)