# Menu » Trigonometry

Please choose the topic you want information about.

- Gradient and angle of elevation
- How do you see what side is the opposite, adjacent or hypotenuse?
- What is SOH, CAH, TOA?
- Tangent
- Sine
- Cosine
- Trigonometric equations
- Sinusoid
- Law of sines
- Law of cosines
- Unit circle