# Textbook

#### Geometry is the study of the relationships between “points, lines, angles, and figures in space”, and the foundation for all of applied mathematics. Geometry is typically a high-school level class...

#### Biology is the study of living organisms, in a general sense. Those studying Biology in depth would take specialized courses, like Genetics, Marine Biology, or Botany. Consequently, students using the...

#### Trigonometry—literally meaning the measurement of triangles—is a mathematical subject that studies the relationships and interactions between the angles and sides of triangles. A major component of trigonometry is using functions...

#### Precalculus is a high-school-level mathematics course that combines elements of both algebra and trigonometry, and its main goal is to prepare students for more difficult coursework in calculus. Depending on...

#### According to the American Psychological Association, psychology is the study of the human mind and resulting behavior. Psychology is a multifaceted discipline and includes many sub-fields of study, such as...

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