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If a line makes angles `alpha,beta,gamma` with the positive direction of coordinate axes, then write the value of `sin^2alpha+sin^2beta+sin^2gammadot`

A

`3cosalpha=2//sqrt(62)`

B

`2cosbeta=-3//sqrt(62)`

C

`cosgamma=7//sqrt(62)`

D

`2cosalpha=-3cosbeta=7cosgamma`

Text Solution

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The correct Answer is:
C
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