Trigonometric Functions
csc A =
1/sin A
Trigonometric Functions
tan A =
sin A/cos A
Trigonometric Functions
sec A =
1/cos A
Trigonometric Functions
cot A =
1/tanA
Pythagorean Relations
Functions of Complementary Angles:
cos A =
cot A =
csc A =
Sum and Difference of Angles:
Sum and Difference of Angles
Sum and Difference of Angles
sin 2A =
2sinAcosA
cos 2A =
tan 2A
Sine Law (ASA)
Cosine Law (SSS, SAS)
Area of Right Triangle
A= ab/2
Area of triangle given SSS
Area of triangle given SAS
Area of Triangle inscribed in a circle
Area of Triangle circumscribed a circle
A = rs
Area of triangle with escribed circle
Length of median of a triangle