What is the value of \\cos(15^\\circ)?
fracsqrt6+sqrt24\\frac{\\sqrt{6} + \\sqrt{2}}{4}fracsqrt6+sqrt24
fracsqrt6−sqrt24\\frac{\\sqrt{6} - \\sqrt{2}}{4}fracsqrt6−sqrt24
fracsqrt3+12sqrt2\\frac{\\sqrt{3} + 1}{2\\sqrt{2}}fracsqrt3+12sqrt2
Both a and c