0 ≦ θ < 2π,cos 2θ + √ 3 sin 2θ ≧ 1 https://www.wolframalpha.com/input?i=0+%E2%89%A6+%CE%B8+%3C+2%CF%80%2Ccos+2%CE%B8+%2B+%E2%88%9A+3+sin+2%CE%B8+%E2%89%A7+1&lang=ja グラフを表示するため cos 2θ + √ 3 sin 2θ ≧ 1 https://www.wolframalpha.com/input?i=cos+2%CE%B8+%2B+%E2%88%9A+3+sin+2%CE%B8+%E2%89%A7+1&lang=ja cos 2θ + √ 3 sin 2θ, 極大値,極小値 https://www.wolframalpha.com/input?i=cos+2%CE%B8+%2B+%E2%88%9A+3+sin+2%CE%B8%2C+%E6%A5%B5%E5%A4%A7%E5%80%A4%2C%E6%A5%B5%E5%B0%8F%E5%80%A4&lang=ja
0 ≦ θ < 2π,cos 2θ + √ 3 sin 2θ ≧ 1
https://www.wolframalpha.com/input?i=0+%E2%89%A6+%CE%B8+%3C+2%CF%80%2Ccos+2%CE%B8+%2B+%E2%88%9A+3+sin+2%CE%B8+%E2%89%A7+1&lang=ja
グラフを表示するため
cos 2θ + √ 3 sin 2θ ≧ 1
https://www.wolframalpha.com/input?i=cos+2%CE%B8+%2B+%E2%88%9A+3+sin+2%CE%B8+%E2%89%A7+1&lang=ja
cos 2θ + √ 3 sin 2θ, 極大値,極小値
https://www.wolframalpha.com/input?i=cos+2%CE%B8+%2B+%E2%88%9A+3+sin+2%CE%B8%2C+%E6%A5%B5%E5%A4%A7%E5%80%A4%2C%E6%A5%B5%E5%B0%8F%E5%80%A4&lang=ja