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Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 8 [Pdf]
The practice problem uses a straightedge and a figure to approximate the solution of each equation. The figure is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Fitting Models to Scatter Plots 5 [Pdf]
Students evaluate a scatter plot to determine the relationship between two variables. The scatter plot is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Fitting Models to Scatter Plots 6 [Pdf]
Students evaluate a scatter plot to determine the relationship between two variables. The scatter plot is available in PDF format.
Johan Claeys
Math Abundance: Trigonometry: The Sine Function
Definition of a sine function. Range and period also are given. Graph of sine function given as well.
Khan Academy
Khan Academy: Period of Sinusoidal Functions From Graph
Given the graph of a sinusoidal function, determine its period. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Inverse of Functions Through Algebraic Manipulation
[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to find the inverse of functions through algebraic manipulation.
Khan Academy
Khan Academy: Amplitude of Sinusoidal Functions From Graph
Given the graph of a sinusoidal function, determine its amplitude.
CK-12 Foundation
Ck 12: Trigonometry: Half Angle Formulas
[Free Registration/Login may be required to access all resource tools.] Using identities to derive more half angle formulas.
University College London
University College London: Introduction to Hyperbolic Functions
This is a brief introduction to hyperbolic functions. Contains a definition only, no graphics.
Math Medics
S.o.s. Math: Product and Sum Formulas
This math lesson lists the product and sum formulas, and gives detailed example of using them to solve algebraic trigonometry problems.
eFunda
E Funda: Multiple Angle
At this site from eFunda you can scroll to the middle of the page for a listing of multiple angle formulas for cos, sin, and tan.
Other
Charles Sturt University: Mathematics
The Univerisity of Charles Sturt provides math help in various areas including trigonometry. Site includes copies of past exams with solutions.
Wolfram Research
Wolfram Math World: Trigonometry
This site provides a good definition of trigonometry. Includes many links to key terms and many more to related terms. This site may be used as a refresher for students who have finished the course, or students currently studying the...
Khan Academy
Khan Academy: Midline of Sinusoidal Functions From Graph
Given the graph of a sinusoidal function, determine its midline equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Trigonometry: Rectangular to Polar Conversions
[Free Registration/Login may be required to access all resource tools.] This lesson introduces Polar coordinates.
Khan Academy
Khan Academy: Radians and Degrees
Convert angle measures given in degrees to radians and vice versa. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Period of Sinusoidal Functions From Equation
Given the formula of a sinusoidal function, determine its period. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.