Sin 30 Degrees Value, Calculation, Derivation with Examples
Sine 30 degrees (exact value, proof and example problems) - Maths How To with Anita
Evaluate the following: (i) sin 60° cos 30° + sin 30° cos 60° (ii) 2 tan² 45° + cos² 30° - sin² 60° (iii) cos 45°/(sec 30° + cosec 30°) (iv) sin 30° + tan 45° - cosec 60°/(sec 30° + cos 60° + cot 45°)
In right triangle trigonometry, explain why sin 30 degrees = 1/2 regardless of the size of the triangle. | Homework.Study.com
Sin 30 Degrees - Find Value of Sin 30 Degrees | Sin 30°