Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
The study of triangles by applying the relations between the sides and the angles.
|
Trigonometry
|
|
|
A triangle that has a right angle.
|
right triangle
|
|
|
A triangle that does not have a right angle.
|
oblique triangle
|
|
|
Egyptian triangle
|
3:4:5
|
|
|
45-45 right triangle. Show the sides.
|
1:1:sqrt(2)
|
|
|
Show the sides of 30-60 triangle.
|
sqrt(3):1:2
|
|
|
Law of Sines
|
a/(sin A) = b/(sin B) = c/(sin C)
|
|
|
Laws of Cosines
|
a2 = b2 + c2 - 2bc cos A
b2 = a2 + c2 - 2ac cos B c2 = a2 + b2 - 2ab cos C |
|
|
Laws of Tangents
|
(a-b)/(a+b) = [tan (1/2)(A-B)]/[tan (1/2)(A+B)]
|
