This is the place to build a strong foundation in basic trigonometry. These trigonometry topics are taught at high school .Students would have to be proficient in basic trigonometry in order to take AP trigonometry courses in the future.If you read through the below courses and work hard at the basic trigonometry concepts, you can be sure of having an easy time in trigonometry during high school.
Basic Trigonometry Topics
Radian - Learn what is the definition of radian and how to convert radians to degrees.
Arc - Finding the arc and area of a sector of a circle by using radians.
Trig Functions - Discover what trig functions are all about and how to remember sine,cosine,tangent functions.
Trig Ratio - The beginning to learning about trig ratio . Introduction of the 'ASTC' Diagram
Trig Ratios - Next step in finding out the trig ratios with the 'ASTC' Diagram
Examples on Trig Ratios
Trig Ratios examples - Applying the concept of trig ratios in problems
Trig Identities - List of trig identities that you can use for your own revision
Supplementary Angles - How to convert them into their basic trig functions.
Complementary Angles - What they are and special tips on how to memorise them
Trig Tables - Easy method to memorise the specific values of trig with trig tables
Trigonometry Equations - Ways to solving them and examples to work through
Addition Formulas - Use of addition formulas to get precise trig functions without a calculator
Double Angle Formulas
Double Angle Formulas - How they are derived and how is it applicable to common trig problems
Half Angle Formula
Half Angle Formula - Its derivation and when to apply it in special trig questions
Trig Formulas - Extensive course on trigonometry factor formula
Trigonometry Formulas - Exploring the R formula and simplifying two different trig functions into one.
Sine - General Solutions for the sine function
Cosine - General Solutions for the cosine function
Tangent - General Solutions for the tangent function
Inverse Trig Functions
Inverse Trig Functions - Learn more about them with examples included.
Small Angle Approximation
Small Angle Approximation - Approximating the value of a trig function
Law of Sines
Law of Sines - How the law of sines is derived and when to apply the law.
Law of Cosines
Law of Cosines - Start of journey to learning about them
Law of Cosines ( Part 2)
Law of Cosines - Continuation of derivation and examples on them
Basic Trigonometry - Review on problems of concepts found throughout this trigonometry help site.
Basic Trig - More questions on basic trigonometry.