Keyword |
z001 - Circle : Draw circle passing 3 given points
Keyword |
S106- Ciccle : Inscribed an equilateral triangle
Keyword |
F133- Circle : Draw 4 circles to tangent triangle ABC
- 1. Draw 1 in-circle of triangle ABC
- 2. Draw 3 ex-cirlce of triangle ABC
Keyword |
S19 - Circle trsnsformation : Transformation matrix
Keyword |
S18 - Circum-center theory : Relation with ortho-center
Keyword |
S21 - Coordinate Geometry : Slope and area of triangle
Keyword |
F119- Coordinate Geometry (S40)
- 1. Points A(7,4), B(3,1) & C(0,k). find k if AC + BC = Minimum
- 2. Points A(7,4), B(3,1) & C(0,k). find k if AC^2 + BC^2 = Minimum
C000- Construction Geometry
-
Keyword |
Centroid of triangle : 2/3 rule
-
Keyword |
Circum-center of triangle : Circle passing vetices of triangle
-
Keyword |
Ex-center of triangle : Circle tangents 3 sides of triangle
-
Keyword |
Ex-central triangle : 4 Circles tangent 3 sides of triangle
-
Keyword |
In-center of triangle : Circle tangents 3 sides of triangle
-
Keyword |
Ortho-center of triangle : Draw pedal triangle
-
Keyword |
Trinagle with 3 given heights
-
Keyword |
Trinagle with 3 given side
-
Keyword |
Triangle with 1 given median and 2 sides
-
Keyword |
Triangle with 2 given medians and 1 sides
Keyword |
F116- cos(A - B) = cos(A)*cos(B) + sin(A)*sin(B)
- 1. Find cos(15) without calculator
- 2. Find cos(75) without calculator
Keyword |
S63 - cos(3*x) + 4*cos(2*x) + 8*cos(x) + 5 GE 0
Keyword |
S65 - cos(pi/16)^4 +cos(3*pi/16) +cos(5*pi/16)^4 +cos(7*pi/16)^4 = ?
Keyword |
S007- Cubes in cubes
Keyword |
F213- Cubic functions with 3 zeros : Find expression
- 1. Method 1 : y = (x - r)*(x - s)*(x - t)
- 2. Method 2 : Equation thoery
Go to Begin
|
