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2. Mnemonics in trigonometry - Wikipedia

   en.wikipedia.org/wiki/Mnemonics_in_trigonometry

   Signs of trigonometric functions in each quadrant. All Students Take Calculus is a mnemonic for the sign of each trigonometric functions in each quadrant of the plane. The letters ASTC signify which of the trigonometric functions are positive, starting in the top right 1st quadrant and moving counterclockwise through quadrants 2 to 4. [5]

3. File:Trigonometric function quadrant sign.svg - Wikipedia

   en.wikipedia.org/wiki/File:Trigonometric...

   Download QR code; In other projects Appearance. ... English: Signs of trigonometric functions in each quadrant. The mnemonic "All Science Teachers (are) ...

4. List of trigonometric identities - Wikipedia

   en.wikipedia.org/wiki/List_of_trigonometric...

   These identities are useful whenever expressions involving trigonometric functions need to be simplified. An important application is the integration of non-trigonometric functions: a common technique involves first using the substitution rule with a trigonometric function, and then simplifying the resulting integral with a trigonometric identity.

5. Template ...

   en.wikipedia.org/wiki/Template:DomainsImagesAnd...

   The table below displays names and domains of the inverse trigonometric functions along with the range of their usual principal values in radians. Name Symbol

6. File:Trigonometry.pdf - Wikipedia

   en.wikipedia.org/wiki/File:Trigonometry.pdf

   Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

7. Outline of trigonometry - Wikipedia

   en.wikipedia.org/wiki/Outline_of_trigonometry

   Geometry is used extensively in trigonometry. Angle – the angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. Angles formed by two rays lie in a plane, but this plane does not have to be a Euclidean plane.

8. Template:Trigonometry - Wikipedia

   en.wikipedia.org/wiki/Template:Trigonometry

   Template documentation This will be a list of the articles related to trigonometry - at the moment they are all spread out and overlap too much; they need focusing. Editors can experiment in this template's sandbox ( create | mirror ) and testcases ( create ) pages.

9. Quadrant (plane geometry) - Wikipedia

   en.wikipedia.org/wiki/Quadrant_(plane_geometry)

   Signs of trigonometric functions in each quadrant. In the above graphic, the words in quotation marks are a mnemonic for remembering which three trigonometric functions (sine, cosine, tangent and their reciprocals) are positive in each quadrant. The expression reads "All Science Teachers Crazy" and proceeding counterclockwise from the upper ...