एक सदिश vecPX, Z व Z अक्षों से क्रमशः al...

एक सदिश `vecPX, Z` व Z अक्षों से क्रमशः `alpha ,beta` तथा `gamma` को बनाता है। तो `sin^(2)- alpha + sin^2 beta + sin^2gamma`

A

0

B

1

C

2

D

3

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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