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| #region 三角函数和反三角函数 using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Messaging; using System.Net.Sockets; using System.Text; using System.Threading; using System.Threading.Tasks; using System.Xml.Linq; namespace test { class Program { static void Main(string[] args) { #region 正弦、反正弦 double sinAngleValue1 = 30; double sinRadianValue1 = Math.PI * sinAngleValue1 / 180; double sinValue1 = Math.Sin(sinRadianValue1); Console.WriteLine(sinValue1); double sinValue2 = 0.5; double sinRadianValue2 = Math.Asin(sinValue2); double sinAngleValue2 = sinRadianValue2 / Math.PI * 180; Console.WriteLine(sinAngleValue2); Console.WriteLine(); #endregion #region 正切、反正切 Console.WriteLine(); Console.WriteLine(); double tanAngleValue1 = 15; double tanRadianValue1 = Math.PI * tanAngleValue1 / 180; double tanValue1 = Math.Tan(tanRadianValue1); Console.WriteLine(tanValue1); double tanValue2 = 1; double tanRadianValue2 = Math.Atan(tanValue2); double tanAngleValue2 = tanRadianValue2 / Math.PI *180; Console.WriteLine(tanAngleValue2); #endregion Console.ReadLine(); } } } #endregion
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