If $A = 580^o$ then which one of the following is true
If $A = 580^o$ then which one of the following is true
- A
$2\,\sin \left( {\frac{A}{2}} \right)\,\, = \,\,\sqrt {1 + \sin A} \, - \,\sqrt {1 - \sin A} $
- B
$2\sin \left( {\frac{A}{2}} \right)\, = \,\, - \,\,\sqrt {1 + \sin A} \,\, + \,\sqrt {1 - \sin A} $
- C
$2\sin \left( {\frac{A}{2}} \right)\, = \,\, - \,\,\sqrt {1 + \sin A} \,\, - \,\sqrt {1 - \sin A} $
- D
$2\sin \left( {\frac{A}{2}} \right)\, = \,\,\,\,\sqrt {1 + \sin A} \,\, + \,\sqrt {1 - \sin A} $
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