It's a FREE app and easy to use with eye-catching User Interface. Designed to solve triangle trigonometry problem with well explanation. • Giving solution based on your input. • Support Ambiguous Case. • Based on non-right-angled triangle trigonometry formulas. • Based on right-angled triangle trigonometry formulas. • Calculate Side, Angle, Area, Height and Parimeter. • Angle can be worked with Degree, Radian, Degree-Minute-Second (DMS), and Grad. • Side, height and parimeter can be worked with Inch, Foot, Meter, Centimeter and Millimeter. • Area can be worked with Inch², Foot², Meter², Centimeter² and Millimeter². • Set decimal places. • Pick your own THEME. Enjoy the app! PRO Version: https://play.google.com/store/apps/details?id=sands9.trigonometrycalculator_pro