Trigonometry- branch of math that deals with sides and angles of a triangle and their functions
Sine- Opposite/ hypotenuse
Cosine- Adjacent/ hypotenuse
Tangent- Opposite/adjacent
Cosecent- Hypotenuse/ opposite
Secent- Hypotenuse/ adjacent
Cotangent- Adjacent/opposite
Angle of elevation- the angle made from a horizontal upward line to a line of sight
Angle of depression- the angle made from a horizontal downward line to a line of sight
Standard form of an quadratic equation, ax^2+bx+c=0