Math Software

• Angles

• Congruent Angles

• Straight Angle

• Right Angle

• Acute Angle

• Obtuse Angle

• Reflex Angle

• Angle of Depression

• Angle of Elevation

• Angle Addition Postulate

• Protractor

• Radians

• Coordinate System and 4 Quadrants

• Types by Sides

• Equilateral Triangles

• Isosceles Triangles

• Scalene Triangles

• Types by Angles

• Right Triangles

• Obtuse Triangles

• Acute Triangles

• Equiangular Triangles

• Congruence

• Application of Congruence in Indirect Measurement

• Similarity

• Similar Triangles

• Application of Similar Triangles in Indirect Measurement

• Functions of Acute Angles

• Sine (abbr. sin)

• Cosine (abbr. cos)

• Tangent (abbr. tan)

• Cotangent (abbrev. cotan or cot)

• Cosecant (abbrev. cosec or csc)

• Secant (abbrev. sec)

• Functions of General Angles

• Reducing Functions of a General Angle to Functions of an Acute Angle

• Functions of Negative Angles

• Tables of Trigonometric Functions

• Solve a Right Triangle

• Law of Cosines

• Law of Sines

• Solve General Triangles

• Checking Solutions: Mollweide Formulas

• Areas of Triangles: Heron's Formula

• Circular Functions

• Periodic Functions

• Graph of Sine

• Graph of Cosine

• Graph of Tangent

• Graph of Cotangent

• Graph of Secant

• Graph of Cosecant

• Fundamental Identities

• Addition Identities

• Double-Angle and Half-Angle Identities

• Tangent Identities

• Product-Sum and Sum-Product Identities

• Trigonometric Reduction Formulas

• Geometric Method for Vector Addition

• Geometric Method for Vector Subtraction

• Component Method for Vector Addition

• Component Method for Vector Subtraction

• Polar Coordinates

• Geometry of Complex Numbers

• De Moivre's Theorem

• Inverse Sine and Other Inverse Trigonometric Functions

• Graphs of the Inverse Trigonometric Functions

• Trigonometric Equations

Additional Topics

• The Expression (A sin x + B cos x)

• Uniform Circular Motion

• Simple Harmonic Motion