Trigonometry L 3 | Compound Angle Formulas | Class 11 | JEE Maths | NCERT solutions | Kislay Sharma

Trigonometry L 3 | Compound Angle Formulas | Class 11 | JEE Maths | NCERT solutions | Kislay Sharma
In this video we discuss Trigonometric ratios of Compound angles.
The formulae Covered are:
1. sin (A+B) = sin A. cos B + cos A. sin B
2. sin (A-B) = sin A. cos B - cos A. sin B
3. cos (A+B) = cos A. cos B - sin A. sin B
4. cos (A-B) = cos A. cos B +sin A. sin B
5. tan (A+B)= tan A + tan B / 1- tan A. tan B
7. cot (A+B)= cot A . cot B -1 / cot B + cot A
8. cot (A-B)= cot A . cot B +1 / cot B - cot A
Followed by a variety of examples and NCERT questions.
Compound angles complete playlist:

I am Kislay Sharma , a mathematician, educationist , World Record holder and mentor. Through this channel I intend to provide quality content based education to all students ranging from high school to post graduation. I am gonna discuss Anything and everything you want to learn about mathematics.
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[jagritimath]

Trigonometry L 3 | Compound Angle Formulas | Class 11 | JEE Maths | NCERT solutions | Kislay Sharma

[ninjahattori]

Thanks sir this video is very helpful for me