01.20.2017. Friday
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 Geometry
Two-dimensional geometric shapes
⦿ Rhombus
⦿ Parallelogram
⦿ Trapezoid
⦿ Kite
⦿ Circle
⦿ Circular sector
⦿ Circular segment
⦿ Area of a Triangle
⦿ Squere
⦿ Rectangle
Three-dimensional geometric shapes
⦿ Cube
⦿ Sphere
⦿ Cylinder
⦿ Cone
⦿ Prism
⦿ Pyramide
⦿ Platonic solids
Trigonometry
⦿ Law of Sines
⦿ Law of Cosines
⦿ Trygonometry Identities of same angle
⦿ Identities for the sum and difference of two angles
⦿ Trigonometric identities of double angles
⦿ Trigonometric identities of half angles
⦿ Sum and difference of trigonometric functions
⦿ Trigonometry of right triangles
Vectors
⦿ Scalar Product of Vectors
⦿ Vector Product of Vectors
Analytical Geometry 2D
⦿ Distance between two points
⦿ Circle
⦿ Linear equation
⦿ Ellipse


Trigonometry

Trygonometry Identities of same angle

s i n 2 α + c o s 2 α = 1

t g α = s i n α c o s α , c t g α = c o s α s i n α , c t g α = 1 t g α

1 + t g 2 α = 1 c o s 2 α , 1 + c t g 2 α = 1 s i n 2 α

s i n α = c o s ( 90 α ) , c o s α = s i n ( 90 α )

t g α = c t g ( 90 α ) , c t g α = t g ( 90 α )