Why CAST Rule Works for Trig Functions

946 views · Published 27 August 2014 · 11:36 · Indexed 6 November 2026

Channel: Anil Kumar · 2014 · People & Blogs

Watch on YouTube

Application to solve equations: https://www.youtube.com/watch?v=RTJgk3JcShc&list=PLJ-ma5dJyAqo7C0YMnqGLgK--ZjlLeihx&index=18
Here is a simple explanation for the CAST Rule.
Also Remember the Cosine is positive in Quadrant IV and I.
CAST Rule is counter-clockwise from Quadrant IV.

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