MATHS (R K FAI)

1. (a+в)²= a²+2aв+в² 2. (α+в)²= (α-в)²+4αв 3. (α-в)²= α²-2αв+в² 4. (α-в)²= (α+в)²-4αв 5. α² + в²= (α+в)² - 2αв. 6. α² + в²= (α-в)² + 2αв 7. ...

  I.  Trigonometry Ratio sin θ =    Opposite Side/Hypotenuse = p/h cos θ =  Adjacent Side/Hypotenuse = b/h tan θ =  Opposite Side/Adjacent S...