CK-12 Foundation
Ck 12: Trigonometry: Triple Angle Formulas and Linear Combinations
[Free Registration/Login may be required to access all resource tools.] Advanced applications of trigonometric identities.
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Ck 12: Trigonometry: Vertical Translations
[Free Registration/Login may be required to access all resource tools.] Define vertical translations of sine and cosine functions.
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Ck 12: Trigonometry: Sides of an Oblique Triangle
[Free Registration/Login may be required to access all resource tools.] Find the side of an oblique triangle using the Law of Cosines.
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Ck 12: Trigonometry: Cofunction Identities and Reflection
[Free Registration/Login may be required to access all resource tools.] Find different trigonometric functions that have the same values for a given angle.
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Ck 12: Trigonometry: Plots of Polar Coordinates
[Free Registration/Login may be required to access all resource tools.] Plot coordinates on a polar coordinate system.
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Ck 12: Trigonometry: Transformations of Polar Graphs
[Free Registration/Login may be required to access all resource tools.] How to alter graphs in polar coordinates by changing constants and/or functions.
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Ck 12: Trigonometry: Sine, Cosine, and Tangent Functions
[Free Registration/Login may be required to access all resource tools.] Calculate sine, cosine, and tangent functions using the sides of a right triangle.
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Ck 12: Trigonometry: Product Theorem
[Free Registration/Login may be required to access all resource tools.] Multiply two complex numbers.
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Ck 12: Trigonometry: Quotient Theorem
[Free Registration/Login may be required to access all resource tools.] Divide two complex numbers.
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Ck 12: Trigonometry: Possible Triangles With Side Side Angle
[Free Registration/Login may be required to access all resource tools.] Determine the number of solutions for triangles where two sides and a non-included angle are known
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Ck 12: Trigonometry: De Moivre's Theorem and Nth Roots
[Free Registration/Login may be required to access all resource tools.] Simplify Nth roots of complex numbers with DeMoivre's Theorem.
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Ck 12: Trigonometry: Derivation of the Triangle Area Formula
[Free Registration/Login may be required to access all resource tools.] Determine an alternate formula for a triangle's area.
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Ck 12: Trigonometry: Six Trigonometric Functions and Radians
[Free Registration/Login may be required to access all resource tools.] The argument of trigonometric functions can be measured in radians.
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Ck 12: Trigonometry: Alternate Formula for the Area of a Triangle
[Free Registration/Login may be required to access all resource tools.] An alternate formula for the area of a triangle.
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Ck 12: Trigonometry: Cosine and Secant Graphs
[Free Registration/Login may be required to access all resource tools.] Define the cosine and secant graphs using a unit circle.
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Ck 12: Trigonometry: Product to Sum Formulas for Sine and Cosine
[Free Registration/Login may be required to access all resource tools.] Examples of how to transform a product of trigonometric functions into a sum of trigonometric functions
CK-12 Foundation
Ck 12: Trigonometry: Sum to Product Formulas for Sine and Cosine
[Free Registration/Login may be required to access all resource tools.] Examples of transforming a sum of trigonometric functions to a product of trigonometric functions.
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Ck 12: Trigonometry: Rectangular to Polar Form for Equations
[Free Registration/Login may be required to access all resource tools.] Convert equations from rectangular form to polar form.
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Ck 12: Trigonometry: Polar to Rectangular Conversions
[Free Registration/Login may be required to access all resource tools.] Convert coordinates from polar to rectangular.
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Ck 12: Trigonometry: Law of Cosines
[Free Registration/Login may be required to access all resource tools.] Use Law of Cosines and Law of Sines in different triangle situations.
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Ck 12: Trigonometry: Horizontal Translations or Phase Shifts
[Free Registration/Login may be required to access all resource tools.] Defining horizontal translations of sine and cosine functions.
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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.
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Ck 12: Trigonometry: Angle Side Angle Triangles
[Free Registration/Login may be required to access all resource tools.] Find the unknown side of a triangle when two angles and the included side are known.
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Ck 12: Trigonometry: Angles of Elevation and Depression
[Free Registration/Login may be required to access all resource tools.] Find distance using right triangles and angles of elevation or depression.