Trig. project
trig. functions and properties
Subtopic
Subtopic
Trig. identities
reciprocal identities
quotient identities
pythagorean identities
Area formulas for any Triangles
Subtopic
Area K of Triangles
K=1/2*a*b*sin(C)
K=1/2*b*c*sin(A)
K=1/2*a*c*sin(B)
Law of Sine
Case1: 1 side and 2 angles are known ASA or SAA
Case2: 2 sides and the angle opposite 1 of them are known
Law of Cosine
Case3: 2 sides and the included angle are known SAS
Case4: 3 sides are known SSS