Trigonometry formulas included in this application are as follows:
1) BASIC FORMULAS
2)TRIGONOMETRIC IDENTITIES
3) SIGNS OF TRIGONOMETRIC RATIOS
4) PRODUCT IDENTITIES
5) DOUBLE ANGLE FORMULAS
6)TRIPLE ANGLE FORMULAS
7) SUM AND DIFFERENCE IDENTITIES
8) SUM TO PRODUCT IDENTITIES
9) DOUBLE ANGLE IDENTITIES
10) PERIODIC IDENTITIES
11) TRIGONOMETRIC RATIOS OF COMPLEMENTARY ANGLES
12) INVERSE TRIGONOMETRY FORMULAS
13) TRIGONOMETRIC TABLE
9Apps 4.9
