MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the length of the chord of a unit circle which subtends an angle θ at the centre? |
| A. | \(\sin \left( \frac{\theta }{2} \right)\) |
| B. | \(\cos \left( \frac{\theta }{2} \right)\) |
| C. | \(2\sin \left( \frac{\theta }{2} \right)\) |
| D. | \(2\cos \left( \frac{\theta }{2} \right)\) |
| Answer» D. \(2\cos \left( \frac{\theta }{2} \right)\) | |