Define the trigonometric ratios sin 𝜃 , cos 𝜃 and tan 𝜃 using the right – angled triangle.
Extend the definitions of sin 𝜃 , cos 𝜃 and tan 𝜃 for 0° ≤ 𝜃 ≤ 360°.
Derive values of the trigonometric ratios for the special cases (without using a calculator) 𝜃 ∈ {0°; 30°; 45°; 60°; 90°}
Solve simple trigonometric equations for angles between 0° and 90°
Use a diagram to determine the numerical values of ratios for angles from 0° to 360°
Solve practical problems
Draw and interpret basic functions