For two right-angled triangles, if an angle (other than the ... The adjacent side divided by the hypotenuse is called the cosine of the angle, and is abbreviated to cos. For a given angle Ɵ ...

The student's discoveries were confirmed by the math community this week after their proofs were published in the American ...

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Ne’Kiya Jackson and Calcea Johnson of Louisiana published a new study proving the Pythagorean theorem using trigonometry, a ...

In a new peer-reviewed study, Ne'Kiya Jackson and Calcea Johnson outlined 10 ways to solve the Pythagorean theorem using trigonometry, including a proof they discovered in high school.

Ne’Kiya Jackson and Calcea Johnson have published 10 trigonometric proofs of the Pythagorean theorem, a feat thought impossible for 2,000 years.

Louisiana students amazed the math community by proving the Pythagorean theorem using trigonometry, a feat considered ...

COSINE (College of Science Instructional Nightly Enrichment) is a FREE tutoring program to help students succeed in first year science courses. COSINE offers evening tutoring for first year Math, ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

That’s an old trick with triangles too, used right from the days of Thales of ... that helix is a sine wave from one ...

“Trigonometric functions are based on sine and cosine, which are expressed as ratios of certain lengths of a right-angled triangle. It’s quite easy to get into a circular argument, and what ...