Basics of Trigonometry, Trigonometric Ratios

In this video, you will learn about primary trigonometric ratios and three reciprocal trigonometric ratios, and how to calculate them. Subscribe:    / @drmasi   Trigonometry Playlist:    • sin(3pi/5).cos(pi/15)+cos(3pi/5).sin(...   Trigonometric Identities Playlist:    • How to solve tan^2xsin^2x=tan^2x sin^...   Trigonometric Equations:    • Solving Trigonometric Equations cos^2...  

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