- android.permission.INTERNET
- android.permission.ACCESS_NETWORK_STATE
Jan 24, 2020
New design, study on your tablet and smart TV:
✸ Trigonometric ratios of angles
✸ Graphs of sinθ, cosθ and tanθ
✸ Trigonometric ratios of 30º, 45º and 60º
✸ Secant, cosecant and cotangent
✸ Trigonometric equations
✸ Pythagoras theorem
✸ Compound angle formula
✸ Double angle formula
✸ The t–formula
✸ The form acosθ + bsinθ
✸ The factor formulae
✸ The sine and cosine rule
✸ The area of a triangle
Discover what you want easier, faster and safer.
