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STATEMENT-1 : The angle between the line...

STATEMENT-1 : The angle between the lines whose direction ratios are (1, 2, 3) and (-12, 3, 2) is `90^(@)`
STAEMENT-2 : The direction cosines of a line whose direction ratios are (3, 4, 12) are `(3/13, 4/13, 12/13)`.
STATEMENT-3 : If `cosalpha, cosbeta,cosgamma` are the direction cosines of a line then `sin^(2)alpha + sin^(2)beta +sin^(2)gamma = 2.`

A

T F T

B

T T T

C

F F F

D

F F T

Text Solution

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The correct Answer is:
B
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