Cool Math
Coolmath: Solving Trig Equations
This CoolMath resource explains how to solve trigonometric equations
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Solving Trigonometric Equations
Sixteen problems offer practice solving trigonometric equations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check each...
Analyze Math
Analyze Math: Solving Trigonometric Equations
The free mathematics tutorial investigates trigonometric equations. The tutorial consists of examples with solutions on solving a trigonometric equation.
Other
Brown Math: Solving Trig Equations
Some trigonometric equations can be solved only numerically. But a great many can be solved in closed form and simple procedures. This web page shows you how to do it in five steps (or fewer)!
CK-12 Foundation
Ck 12: Trigonometric Equations Using the Quadratic Formula
[Free Registration/Login may be required to access all resource tools.] Examples of solving trigonometric equations using the quadratic formula.
Math Medics
S.o.s. Math: Trigonometric Equations
This math lesson presents methods of solving trigonometric equations when the answer does not seem obvious. The lesson begins by giving an example then has a few practice problems for viewers to solve with solutions as links.
CK-12 Foundation
Ck 12: Trigonometry: Trigonometric Equations Using Factoring
[Free Registration/Login may be required to access all resource tools.] Examples of solving trigonometric equations using factoring.
Mangahigh
Mangahigh: Algebra: Use Graphs to Solve Trigonometric Equations
Students learn about the concept of trigonometric equations by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Other
All Elementary Mathematics: Trigonometric Equations
This site gives a definition for what a trigonometric equation is, gives a listing of the simplest trigonometric equations, and lists seven main methods of solution of trigonometric equations with examples.
Texas Instruments
Texas Instruments: Glencoe Algebra 2: Solving Trigonometric Equations
Students will solve equations for the values of x.
Math Medics
S.o.s. Math: Solving Trigonometric Equations
This lesson contains trigonometric equations of various forms that you can solve. The problems contain the answers solved in three different ways: algebraically, graphically, and using the concept of equivalence.
Khan Academy
Khan Academy: Solve Sinusoidal Equations (Basic)
Solve equations of the form sin(x)=d or cos(x)=d where d is any number. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Solve Sinusoidal Equations
Solve equations of the form a*sin(bx+c)=d or a*cos(bx+c)=d where a, b, c, and d are any number. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive hints.
Purple Math
Purplemath: Solving Simple (To Medium Hard) Trig Equations
Introduces techniques for solving trigonometric equations. Provides worked examples of solving some simpler to medium-hard equations.
CK-12 Foundation
Ck 12: Trigonometry: Trigonometric Equations Using Factoring
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving trigonometric equations using factoring, square roots, and the quadratic formula.
CK-12 Foundation
Ck 12: Trigonometric Equations Using Half Angle Formulas
[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to solve trigonometric equations using the half angle formulas.
Windstream
Ojk's Precalculus Study Page: Easier Trigonometric Equations
An introduction to solving trigonometric equations, including finding general and particular solutions. The connection between the tangent function and the slope of a line is also covered. Includes several examples and graphs.
BBC
Bbc: Radians and Equations
BBC provides a tutorial that explains how radians are related to degrees and demonstrates how to solve trig equations in radian units. Examples and a practice test are available.
Math Medics
S.o.s. Math: Solving Equations
This tutorial explains how to solve a variety of equations, from simple to complex, and gives examples and solutions. Students are asked to solve for x before looking at a solution.
CK-12 Foundation
Ck 12: Trigonometry: Applications of Inverse Trigonometric Functions
[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to apply inverse trig functions to solve problems you would see in real-life situations.
Paul Dawkins
Paul's Online Notes: Algebra & Trig Review
The tutorial reviews algebra and trigonometric topics needed in Calculus. Topics examined are solving equations, rational expressions, absolute value, solving trigonometric functions, exponentials, and logarithms. Class notes,...
Oswego City School District
Regents Exam Prep Center: Trigonometric Ratios
A collection of lessons and practice exercises on trigonometric ratios. Students will learn how to solve for an angle and for a side, and to apply trigonometry in setting up and solving word problems.
Khan Academy
Khan Academy: Sinusoidal Models Word Problems
Solve word problems that involve real-world contexts that are modeled by sinusoidal functions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Paul Dawkins
Paul's Online Notes: Calculus I: Review
Learners review the algebra and trigonometric skills needed in a Calculus course. Topics investigated are solving trigonometric equations, logarithmic functions, exponential functions, functions, and common graphs. Class notes,...