Trigonometry Quick reference guide has all the important formulas and concepts covered to help the student review them on regular basis.

Topics include:
a) Definitions - Right Triangle Definition and Unit Triangle definition
b) Facts and properties of trigonometric functions i.e., Domain, Range and period
c) Formulas and Identities (includes Tangent and Cotangent Identities, Reciprocal Identities, Pythagorean Identities, Even/Odd Formulas, Periodic formulas, Double Angle formulas, Degree to radian formulas, Half-angle formulas, Sum and Difference formulas, Product to sum formulas, Sum to product formulas, and Co Function Formulas)

d) Unit circle explained
e) Inverse Trigonometric functions and its properties
f) Law of sines, Cosines and tangents which are define the relationship between the angles of a triangle and its sides.

I wish this app to be use-centric. So, I would like to request you to try this app and make any suggestions to improve it further. I will be happy to provide updates based on your inputs.

Recent changes:
Change log 1.6:
1. Few bug Fixes

Change log 1.5:
1. Minor Changes in UI

Change log 1.4:
1. Changes in UI (feels much better!)

Change log 1.3:
Added topics under [Inverse Trigonometric Functions[:
1.Complementary Angles
2.Negative Arguments
3.Reciprocal Arguments
4.Relationship between Trigonometric and Inverse Trigonometric Functions
5.General Solutions.

Change log 1.2.1
1. Option to upgrade to Pro (ad-free version)
2. Minor UI tweaks

Content rating: Everyone