急求三角函数

来源：百度知道 编辑：UC知道 时间：2024/05/23 20:09:07
0° 30° 45° 60° 90° 180°270° 360°的值
sin cos tan cot都要。（要数学表达式，如sin30°=1/2）
谢谢

sin5° = 0.0871557427476582; cos5° = 0.996194698091746;
tan5° = 0.087488663525924; cot5° = 11.4300523027613;
sin10° = 0.17364817766693; cos10° = 0.984807753012208;
tan10° = 0.176326980708465; cot10° = 5.67128181961771;
sin15° = 0.258819045102521; cos15° = 0.965925826289068;
tan15° = 0.267949192431123; cot15° = 3.73205080756888;
sin20° = 0.342020143325669; cos20° = 0.939692620785908;
tan20° = 0.363970234266202; cot20° = 2.74747741945462;
sin25° = 0.422618261740699; cos25° = 0.90630778703665;
tan25° = 0.466307658154999; cot25° = 2.14450692050956;
sin30° = 0.5; cos30° = 0.866025403784439;
tan30° = 0.577350269189626; cot30° = 1.73205080756888;
sin35° = 0.573576436351046; cos35° = 0.819152044288992;
tan35° = 0.70020753820971; cot35° = 1.42814800674211;
sin40° = 0.642787609686539; cos40° = 0.766044443118978;
tan40° = 0.83909963117728; cot40° = 1.19175359259421;
sin45° = 0.707106781186547; cos45°