This app has two section, first one is a complete trigonometric calculator and another is a complete list of trigonometric identities and formulas.

• Trigonometric Calculator: Calculate Sine Function (sin), Cosine Function (cos), Tangent Function (tan), Cotangent Function (cot), Cosecant Function (csc) and Secant Function (sec) of angle
• Inverse Trigonometric Calculator: Calculate Inverse Sine Function (arcsin), Inverse Cosine Function (arccos), Inverse Tangent Function (arctan), Inverse Cotangent Function (arccot), Inverse Cosecant Function (arccsc) and Inverse Secant Function (arcsec) of angle
• Basic Trigonometric Relations
• Symmetry, shifts, and periodicity formulas
• Angle sum and difference formulas
• Double angle formulas
• Triple angle formulas
• Half angle formulas
• Power reduction formulas
• Product to sum formulas
• Sum to product formulas
• Inverse trigonometric formulas
• Derivative formulas
• Exponential formulas