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Trigonometry: Sine, Cosine and Tan Functions

1,333 views · Published 5 February 2012 · 12:34 · Indexed 22 September 2026

Channel: Math Easy Solutions · 2012 · Education

This video shows a brief introduction to the wonderful world of trigonometry and defines the functions Sine, Cosine and Tan. Also, how to determine what reference angles to use when inputting to a calculator are shown and an easy way to remember when the ratios of Sine, Cosine and Tan are positive and negative is shown. That method is called A.S.T.C. or All Students Take Calculus. 

Video notes and playlist:

- PDF notes: https://1drv.ms/b/s!As32ynv0LoaIiuxz3oVLqWORrp4RqQ
- HIVE notes: https://peakd.com/hive-128780/@mes/trigonometry-sine-cosein-tan
- Trigonometry playlist: https://www.youtube.com/playlist?list=PL5EA2C23DE654B0DB

Related Videos:

Angles - Degrees vs Radians: What are Radians??: http://youtu.be/bOdrVvQWRdE .

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Trigonometry: Sine, Cosine and Tan Functions

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