Trigonometry

*Unit circle and identity practice sites from Chapter 4 are still relevant

Inverse Trig:

• https://www.ck12.org/book/CK-12-Geometry-Second-Edition/section/8.6/ 

• https://www.mathsisfun.com/algebra/trig-inverse-sin-cos-tan.html 

• https://www.ixl.com/math/algebra-2/inverses-of-sin-cos-and-tan 

• https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:trig/x9e81a4f98389efdf:inverse-trig/e/inverse_trig_functions 

Law of Cosines:

• https://www.mathsisfun.com/algebra/trig-cosine-law.html 

• https://www.mathopenref.com/lawofcosines.html 

• https://www.mathwarehouse.com/trigonometry/law-of-cosines-formula-examples.php 

• https://www.khanacademy.org/math/geometry/hs-geo-trig/hs-geo-law-of-cosines/e/law_of_cosines 

• https://www.ixl.com/math/geometry/law-of-cosines 

• https://mathbitsnotebook.com/Geometry/TrigApps/TALawCosinesPractice.html 

• https://cdn.kutasoftware.com/Worksheets/Alg2/Law%20of%20Cosines.pdf 

Law of Sines:

• https://www.mathsisfun.com/algebra/trig-sine-law.html 

• https://www.youtube.com/watch?v=bDPRWJdVzfs 

• https://www.khanacademy.org/math/geometry/hs-geo-trig/hs-geo-law-of-sines/e/law_of_sines 

• https://www.khanacademy.org/math/geometry/hs-geo-trig/hs-geo-law-of-sines/e/law_of_sines 

• https://www.ixl.com/math/geometry/law-of-sines 

• https://mathbitsnotebook.com/Geometry/TrigApps/TALawSinesPractice.html 

General Solutions to Trig:

• https://www.askiitians.com/iit-jee-mathematics/trigonometry/trigonometric-equation-and-its-solutions.aspx 

• http://mathsfirst.massey.ac.nz/Trig/TrigGenSol.htm 

• http://mathsfirst.massey.ac.nz/Trig/example2.htm 

• https://mathbitsnotebook.com/Algebra2/TrigConcepts/TCequationsPractice.html 

• https://www.mathworksheets4kids.com/solving-trig-equation-general-solution.php 

• https://www.purplemath.com/modules/solvtrig.htm 

• https://www.shelovesmath.com/trigonometry/solving-trig-equations/ 

• And see pdf by notes 5-7 for extra practice and notes

Parametric Functions:

• http://tutorial.math.lamar.edu/Classes/CalcII/ParametricEqn.aspx 

• http://davisclasses.weebly.com/uploads/2/2/5/4/22542542/10.5_notes_-_part_1_parametric_equations_-_keyed.pdf 

• https://www.mathopenref.com/coordparamcircle.html 

• http://tutorial.math.lamar.edu/Problems/CalcII/ParametricEqn.aspx 

• https://www.youtube.com/watch?v=97pe-QlSGqA 

• https://www.youtube.com/watch?v=pwPBdXvhb0g 

• https://www.khanacademy.org/math/ap-calculus-bc/bc-advanced-functions-new/bc-9-1/v/parametric-equations-1 

• https://www.shelovesmath.com/precal/introduction-to-parametric-equations/ 

Spherical Law of Cosines (Will not be learning, but is FUN!):

• https://www.youtube.com/watch?v=pLNtgDd6-Ro 

• http://jwilson.coe.uga.edu/EMAT6680Fa2013/Lively/Spherical%20Triangles/Solving_Spherical_Triangles.pdf 

• https://en.wikipedia.org/wiki/Spherical_law_of_cosines

Polar Graphing Basics:

• https://www.youtube.com/watch?v=rHnbyuBSLRQ 

• https://www.ck12.org/book/ck-12-trigonometry-second-edition/section/6.2/