MCQ
For specifying a straight line, how many geometrical parameters should be known:
- A1
- B2
- C4
- D3
For specifying a straight line, how many geometrical parameters should be known:
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The value of $\sin(45^\circ+\theta)-\cos(45^\circ-\theta)$ is:
$2\cos\theta$
$2\sin\theta$
1
0
Three numbers are chosen from 1 to 20. The probability that they are not consecutive is: