For More Questions, Solutions, and Explanations on Trigonometry
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If there is one prayer that you should pray/sing every day and every hour, it is the
LORD's prayer (Our
FATHER in Heaven prayer)
- Samuel Dominic Chukwuemeka
It is the most powerful prayer.
A pure heart, a clean mind, and a clear conscience is necessary for it.
For in GOD we live, and move, and have our being.
- Acts 17:28
The Joy of a Teacher is the Success of his Students.
- Samuel
Chukwuemeka
Home
Triangles
Arcs,
Sectors, Segments, and Chords
Bearings/Directions
Trigonometric
Expressions
Trigonometric
Equations
TI-84 Graphing
Calculator
Other Calculators
I greet you this day,
Please solve the questions on your own before checking your answers with the calculators.
I wrote the codes for some of the calculators using JavaScript, a client-side scripting language.
The Wolfram Alpha widgets (many thanks to the developers) were used for some calculators.
Comments, ideas, areas of improvement, questions, and constructive criticisms are welcome.
You may contact me.
If you are my student, please do not contact me here. Contact me via the school's system.
Thank you for visiting.
Samuel Dominic Chukwuemeka (Samdom For Peace) B.Eng., A.A.T, M.Ed., M.S
Please NOTE: As applicable, all angles are in degrees.
If your angle is in radians, use this calculator to convert it to degrees.
Please NOTE: Due to the rounding of the JavaScript Math.PI value, I used $\pi$ as $\dfrac{22}{7}$ rather than the Math.PI function.
Please NOTE: Due to the rounding of the JavaScript Math.PI value, I used $\pi$ as $\dfrac{22}{7}$ rather than the Math.PI function.
The calculator is a widget from Wolfram Alpha.
I tested it with some of the questions. It displayed at least one correct answer that I
wanted, for some of the questions tested with it.
Hence, I put the widget on my website. You may check "most" of my solved examples with the
calculator. At least one of its' answers to some of the questions is my solution.
The calculator is free. Please contact me if you see otherwise.
Thank you.
To use the calculator, please:
(1.) Type your expression in the textbox (the bigger textbox).
(2.) Type it according to the examples I listed. You may use $\theta$ or $x$
(3.) Delete the "default" expression in the textbox of the calculator.
(4.) Copy and paste the expression you typed, into the small textbox of the calculator.
(5.) Click the "Submit" button.
(6.) Check to make sure that it is the correct expression you typed.
(7.) Review the answers.
Simplify
The calculator is a widget from Wolfram Alpha.
I tested it with some of the questions. It displayed the correct answers for the questions I
tested with it.
Hence, I put the widget on my website. You may check my solved examples with the calculator.
The calculator is free. Please contact me if you see otherwise.
Thank you.
To use the calculator, please:
(1.) Type your equation in the textbox (the bigger textbox).
(2.) Type it according to the examples I listed. You may use $\theta$ or $x$
(3.) Delete the "default" expression in the textbox of the calculator.
(4.) Copy and paste the equation you typed, into the small textbox of the calculator.
(5.) Click the "Submit" button.
(6.) Check to make sure that it is the correct equation you typed.
(7.) Review the solutions. There are usually several solutions. The solutions are given in
radians.
(8.) Depending on your question, for $[0, 2\pi]$ range; test each solution for at least the two
smallest values of $n$; when $n = 0$ and when $n = 1$.
(9.) Test for other solutions as necessary. Then, convert the solutions to degrees as necessary.
Simplify
This calculator will:
(1.) Form a Table of Values.
(2.) Graph equations/functions.
(3.) Trace functions.
(4.) Displays the Table of Values and the Graph in the same window.
To use the calculator, please:
(1.) Visit the link: TI-84 Calculator
(2.) Click the "Graphing" folder.
(3.) Click the link of "whatever you want to do".
(4.) Follow the directions as illustrated by the "blinking light".