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More Lessons on Trigonometry

The following videos show some math tricks to help you remember the values of a unit circle and Trig Ratio of Special Angles in degrees (0, 30, 45, 60, 90) and also in radians.

**How to memorize the Unit Circle?**

The following diagrams give the exact values on the unit circle (degrees and radians). Scroll down the page for various tips and tricks on how to remember the values.

**A Trick to Remember Values on The Unit Circle (First Quadrant)**

People often forget what x,y coordinates on the unit circle go with what angle. This video shows a little 'trick' to remember the values on the unit circle in the first quadrant.**A Way to remember the Entire Unit Circle for Trigonometry (All 4 Quadrants)**
**The Unit Circle Values from Zero to a quarter of Pi or an eighth of the Pie**

Resist the temptation to learn the unit circle as a whole. Learn it the first one eight of the way around and practice using a reflection, and then another reflection and then another reflection.**How to remember the values on a unit circle?**

Explanation of an easy trick for memorizing the values of the unit circle.

**Unit Circle Hand Trick (in radians and degrees)**

How to use your left hand to help you remember the unit circle?**A Finger Trick for Trigonometry (in degrees)**

If we insist that students memorize the values of sine and cosine for the basic angles 0, 30, 45, 60 and 90 degrees, then here's a cute little trick for doing so using the fingers on your hand.**Unit Circle Song**

A song to help you memorize the unit circle.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

More Lessons on Trigonometry

The following videos show some math tricks to help you remember the values of a unit circle and Trig Ratio of Special Angles in degrees (0, 30, 45, 60, 90) and also in radians.

The following diagrams give the exact values on the unit circle (degrees and radians). Scroll down the page for various tips and tricks on how to remember the values.

People often forget what x,y coordinates on the unit circle go with what angle. This video shows a little 'trick' to remember the values on the unit circle in the first quadrant.

Resist the temptation to learn the unit circle as a whole. Learn it the first one eight of the way around and practice using a reflection, and then another reflection and then another reflection.

Explanation of an easy trick for memorizing the values of the unit circle.

How to use your left hand to help you remember the unit circle?

If we insist that students memorize the values of sine and cosine for the basic angles 0, 30, 45, 60 and 90 degrees, then here's a cute little trick for doing so using the fingers on your hand.

A song to help you memorize the unit circle.

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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