This is the pro version of the highly rated "Trigonometry Calculator" application (See bottom for link). 

This version:
•       Ad-free.
•       View calculation steps and formulas.
•       Improved layouts and optimised performance.

This app is a right-angled triangle trigonometry calculator. 

•	It is ideal for carrying out quick and accurate value calculations.

•	Able to calculate the value of sides, angles, and the area of a right-angled triangle given valid known values.

•	Accurate to 16 decimal places.

•	Angles can be worked out using degrees or radians.

•	Simple minimalistic interface to enable ease of use.

Trigonometry Calculator:
https://play.google.com/store/apps/details?id=horton.b.com.trigonometrycalculator&hl=en_GB

Right-angled triangle trigonometry calculator - for quick, accurate calculations