Homeschool Learning Resources at CafeGenius




Angle Functions

  • Angle Functions Quiz: Take this self-quiz to review angle functions terms and concepts like sine, cosine, and tangent.
  • Area of a Triangle Using Sine: How do you figure out the area of a triangle if you only know two sides and the angle between them? This formula solver will show you!
  • Cosecant Function in a Right Triangle: Use this Formula Solver! Series program to learn how to calculate the cosecant of an angle. It's great for checking your homework answers, too!
  • Cosine & ArcCosine in a Right Triangle: Explore how to use cosine and arccosine in a triangle using this Formula Solver! Series program. Use it to check your homework answers too!
  • Cosine Function in a Right Triangle: Review how the basic concept of the cosine function works, using this Formula Solver! Series program. Use it to check your homework answers too!
  • Cotangent Function in a Right Triangle: Use this Formula Solver! Series program to learn how to calculate the cotangent of an angle. It's great for checking your homework answers, too!
  • Law of Cosines: The Law of Cosines describes fundamental properties of triangles. Use this Formula Solver! Series program to learn how it works (and to check your homework answers, too!)
  • Law of Sines: The Law of Sines describes fundamental properties of triangles. Use this Formula Solver! Series program to learn how it works (and to check your homework answers, too!)
  • Law of Sines (Ambiguous Case): Explore the ambiguous case of the Law of Sines using this Formula Solver! Series program. Use it to check your homework answers too!
  • My Angle Functions Flashcards: Use these flash cards to practice your grasp of sine, cosine, tangent, and dozens of other angle functions terms.
  • Non-Right Triangles Study Sheet: Use this Smartacus Study Sheet to learn how to find sides and angles in non-right triangles (also known as oblique triangles). An important resource for your trigonometry class, it also prints for easy reference.
  • Radians: Converting between degrees and radians is a key math concept. This Formula Solver! Series program will walk you through the steps. It's great for checking your homework answers, too!
  • Secant Function in a Right Triangle: Use this Formula Solver! Series program to learn how to calculate the secant of an angle. It's great for checking your homework answers, too!
  • Sine & ArcSine in a Right Triangle: Explore how to use sine and arcsine in a triangle using this Formula Solver! Series program. Use it to check your homework answers too!
  • Sine Function in a Right Triangle: Review how the basic concept of the sine function works, using this Formula Solver! Series program. Use it to check your homework answers too!
  • Soh-Cah-Toa and Trigonometry Functions: This person, more than any other mathematician, has helped countless students learn basic trigonometric functions. So who exactly is this Soh-Cah-Toa?
  • Tangent & ArcTangent in a Right Triangle: Explore how to use tangent and arctangent in a triangle using this Formula Solver! Series program. Use it to check your homework answers too!
  • Tangent Function in a Right Triangle: Review how the basic concept of the tangent function works, using this Formula Solver! Series program. Use it to check your homework answers too!

Complex Numbers

  • Adding and Subtracting Complex Numbers: What are complex numbers, and what's up with this imaginary number i? Use this Tab Tutor Series program to learn about complex numbers and see how to add and subtract them.
  • Bottomless Worksheet of Adding Complex Numbers: With this Bottomless Worksheet you can get endless practice on adding complex numbers (numbers including the imaginary number i). At the click of a button, there are ten more problems for you to solve. A printed copy and answer sheet is also available.
  • Bottomless Worksheet of Dividing Complex Numbers: Get endless practice right here in dividing complex numbers! At the click of a button, this Bottomless Worksheet generates ten more problems for you to solve. Plus, a printed copy or answer sheet is only a click away.
  • Bottomless Worksheet of Multiplying Complex Numbers: This Bottomless Worksheet is a great way to practice multiplying complex numbers by real numbers and each other. At the click of a button, it creates ten more problems for you to solve. A printed copy and answer sheet is also available.
  • Bottomless Worksheet of Subtracting Complex Numbers: Get endless practice on subtracting complex numbers (numbers including the imaginary number i) with this Bottomless Worksheet. Ten more problems for you to solve, a printed copy, and an answer sheet are always a button-click away.
  • Dividing Complex Numbers: What are complex numbers, and how do you divide them? Use this Tab Tutor Series program to learn about complex numbers and see how the complex conjugate can help you divide them.
  • Multiplying Complex Numbers: What are complex numbers, and what's up with this imaginary number i? Use this Tab Tutor Series program to learn about complex numbers and see how to multiply them.
  • Study Sheet: Use this printable study sheet to review or learn the techniques for working with complex numbers and the imaginary number i, including addition, subtraction, multiplication, and division.
  • The Imaginary Number i: What is the imaginary number i, and how is it used? This tutorial will teach you all about it.

Trigonometric Function Graphs

  • Graphing: Graphs are a fundamental concept in many areas, from math to economics. This interactive tutorial will guide you through the basic concepts, including calculating the slope of a line.