lichniy_silniy_cisharp/testing/Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace testing
{
    internal class Program
    {
        static void Main(string[] args)
        {
            FunctionsMath fm = new FunctionsMath();
            Console.Write("Введите число: ");
            double number = Convert.ToDouble(Console.ReadLine());
            double result = 0;
            if (number == 1 || number == 0)
            {
                Console.WriteLine("Переделывай");
            }
            else
            {
                try
                {
                    if (number <= 0)
                        result = ((((FunctionsMath.Trigonometry.cot(number) / FunctionsMath.Trigonometry.sec(number)) - FunctionsMath.Trigonometry.tg(number)) * Math.Sin(number)) / FunctionsMath.Trigonometry.cos(number)) * (fm.pow(((Math.Sin(number) + FunctionsMath.Trigonometry.cos(number)) + FunctionsMath.Trigonometry.cos(number)), 2));
                    else
                        result = ((((fm.pow(FunctionsMath.Logarifms.log(5, number), 3)) * FunctionsMath.Logarifms.log(10, number)) + FunctionsMath.Logarifms.log(3, number)) / Math.Log(number)) + (Math.Log(number) * FunctionsMath.Logarifms.log(5, number));
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.ToString());
                }                
            }
            Console.WriteLine(result);
            Console.ReadKey();
        }
    }
}