1.

sin (75 ) =__________________

A. (1 ( sqrt{3} ))/2 ( sqrt{2} )
B. ( ( sqrt{3} ) + 1)/2 ( sqrt{2} )
C. ( ( sqrt{3} ) 1)/2 ( sqrt{2} )
D. (- ( sqrt{3} ) 1)/2 ( sqrt{2} )
Answer» C. ( ( sqrt{3} ) 1)/2 ( sqrt{2} )


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