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If a line OP of length r (where, O is th...

If a line OP of length r (where, O is the origin) makes an angle `alpha` with X-axis and lies in the XZ-plane , then what are the coordinates of P?

A

`(rcosalpha,0,rsinalpha)`

B

`(0,0,rsinalpha)`

C

`(rcosalpha,0,0)`

D

`(0,0,rcosalpha)`

Text Solution

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The correct Answer is:
A
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