Search Results | trigonometry
Your search for "trigonometry" returned 27 results
Ancient Babylonian Tablet May Show Early Trigonometry, But Some Experts Are Dubious
science.howstuffworks.com/math-concepts/babylon-tablet-plimpton-322-trigonometry.htm
A reinterpretation of an ancient Babylonian tablet shows that trigonometry might be 1,000 years older than thought. But there's some disagreement.
How to Use the Unit Circle in Trigonometry
science.howstuffworks.com/math-concepts/unit-circle.htm
A unit circle is an important part of trigonometry and can define right angle relationships known as sine, cosine and tangent.
How to Use the Mnemonic 'SOHCAHTOA' in Trigonometry
science.howstuffworks.com/math-concepts/sohcahtoa.htm
The mnemonic device SOHCAHTOA helps budding mathematicians remember the trigonometric functions sine (sin), cosine (cos) and tangent (tan), which they need to solve for triangles' missing sides and angles.
Nasir al-Din Al-Tusi
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Al-Tusi, Nasir al-Din (1201-1274) was one of the greatest scholars of his time and one of the most influential figures in Islamic intellectual history.
Trig Identities: A Crash Course in Complex Math Concepts
science.howstuffworks.com/math-concepts/trig-identities.htm
Fundamental trigonometric identities, aka trig identities or trigo identities, are equations involving trigonometric functions that hold true for any value you substitute into their variables.
How are astronomers able to measure how far away a star is?
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It turns out that measuring the distance to a star is an interesting problem! Astronomers have come up with two different techniques to estimate how far away any given star is.
How Math Works
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A world without math is unimaginable. It's a part of who we are. It's the analytical juice of our left brain. In the words of physicist Richard Feynman, even a fool can use it. So why do so many of us turn our backs on numbers?
How to Easily Convert Degrees to Radians (and Radians to Degrees)
science.howstuffworks.com/math-concepts/degrees-to-radians.htm
Both degrees and radians represent the measure of an angle in geometry. So, how do you convert one to the other?
30-60-90 Triangle: 4 Facts to Remember for Your Next Test
science.howstuffworks.com/math-concepts/30-60-90-triangle.htm
Anyone who's ever faced mind-numbing trigonometry problems and practice questions will be familiar with the Pythagorean Theorem and its square root principles in the 30-60-90 triangle. This special triangle has several short-cut rules to help new mathematicians find interior angles and linear lengths quickly.
How the ACT Works
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The ACT is one of two major standardized tests given to high school students each year. Learn about the ACT in this article from HowStuffWorks.