Find the value of $\\cos105^\\circ$
University of Ilorin MTH101 integral past question
- $\\frac{1 + \\sqrt{3}}{2\\sqrt{2}}$
- $\\frac{1 - \\sqrt{3}}{2\\sqrt{2}}$
- $\\frac{3 - \\sqrt{2}}{2\\sqrt{2}}$
- $\\frac{2\\sqrt{2}}{1 - \\sqrt{3}}$
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