यदि cos theta = - 1//2 तथा 0 lt theta ...

यदि `cos theta = - 1//2` तथा `0 lt theta lt 360^(@)`, तो `theta =`

A

`60^(@), 240^(@)`

B

`120^(@), 210^(@)`

C

`120^(@),240^(@)`

D

`120^(@), 360^(@)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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