1.

sin 75 + sin 15 = _________________

A. ( frac{ sqrt{3}}{ sqrt{2}} )
B. ( frac{ sqrt{2}}{ sqrt{3}} )
C. ( frac{ sqrt{3}}{2} )
D. ( frac{1}{ sqrt{2}} )
Answer» B. ( frac{ sqrt{2}}{ sqrt{3}} )


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