√ trick: Likho √0/2, √1/2, √2/2, √3/2, √4/2 — yahi sin 0°, 30°, 45°, 60°, 90° hain. Cos ke liye ulta padho. Tan = sin ÷ cos.
Trigonometry Table — Sin, Cos, Tan Values
Class 10Class 11JEESSCBanking
Yaad Karne ki List
- sin 0° = 0
- sin 30° = 1/2
- sin 45° = √2/2
- sin 60° = √3/2
- sin 90° = 1
- cos 0° = 1
- cos 30° = √3/2
- cos 45° = √2/2
- cos 60° = 1/2
- cos 90° = 0
Mnemonic Tricks
Kaise Map Hota Hai
| Cue | Maps To |
|---|---|
| √0/2 = 0 | sin 0° |
| √1/2 = 1/2 | sin 30° |
| √2/2 | sin 45° |
| √3/2 | sin 60° |
| √4/2 = 1 | sin 90° |
Kyun Yaad Rehta Hai
15 values yaad karne ke bajaye, sirf ek pattern: √(0,1,2,3,4)/2 sin ke liye, reverse cos ke liye. Tan = sin/cos. Teen rules replace karte hain poori table.
Aksar Poochhe Jaane Wale Sawaal
Trigonometry table yaad karne ki sabse easy trick kya hai?
√ pattern: sin values 0°,30°,45°,60°,90° = √0/2, √1/2, √2/2, √3/2, √4/2. Cos reverse mein. Tan = sin÷cos. Ek pattern generates poori table.
sin 30, sin 45, sin 60 kaise yaad karein?
sin 30° = √1/2 = 1/2. sin 45° = √2/2. sin 60° = √3/2. Numerators √1, √2, √3 jaate hain — root sign mein count up karo!
Cos sin ka reverse kyun hai?
Kyunki cos θ = sin(90° - θ). Isliye cos 0° = sin 90° = 1. Complementary relationship matlab sirf ek row yaad karni hai.
Kya trigonometry table JEE aur SSC ke liye important hai?
Bahut important. JEE mein calculus, coordinate geometry mein. SSC/Banking mein height-distance problems mein. Quick recall 30+ seconds save karta hai.