Deriving Compound-Angle Formulas - Grade 12 math concept

Опубликовано: 16 Май 2026
на канале: MoofyMath
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In this video I show how the Compound Angle Formulas are derived and created. I apologize in advance for the extra cuts in this video.

Understanding co-related angles:    • Understanding Co-Related Angles - Grade 12...  
Solving Basic Trig Identities:    • Proving Basic Trig identities - Grade 11/1...  
Solving Trig Identities using compound angle formulas:    • Proving Trig Identities With Compound-Angl...  

Cos(a-b): 00:00-13:55
Cos(a+b): 13:56-16:15
Sin(a+b): 16:16-20:14
Sin(a-b): 20:15-21:05
Tan(a+b): 21:06-25:54
Tan(a-b): 25:55-26:58

Hope you guys enjoyed. Leave a comment if you would like me to make a video on a specific math subject.
Please share if this video helped!