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If alpha,beta,gamma be the angles which ...

If `alpha,beta,gamma` be the angles which a line makes with the coordinates axes, then

A

`sin^(2)alpha+sin^(2)beta+sin^(2)gamma=1`

B

`sin^(2)alpha+sin^(2)beta+sin^(2)gamma=1`

C

`cos^(2)alpha+cos^(2)beta+cos^(2)gamma=1`

D

`cos^(2)alpha+sin^(2)beta+sin^(2)gamma=1`

Text Solution

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The correct Answer is:
C
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MOCK TEST 2-MCQS
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  6. If |a|=|b|=|c|=1anda*b=b*c=c.a=costheta,then the maximum value of thet...

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  7. If alpha,beta,gamma be the angles which a line makes with the coordina...

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  8. let |a|=2sqrt(2),|b|=3 and the angle between a and b is (pi)/(4). If a...

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  18. The pair of lines joining origin to the points of intersection of, the...

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