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SEE: Guide to Download Khan Academy Video Lecture
Lecture Details :
Proof of the trig identity: cos(a+b) = (cos a)(cos b)-(sin a)(sin b)
Course Description :
Videos on trigonometry. Watch the "Geometry" course first if you have trouble understanding the topics covered here.
Other Resources :
Other Mathematics Courses
- Vector Calculus by The University of New South Wales
- Linear Algebra by The University of New South Wales
- Analytic Geometry and Calculus,Fall 2011 by UC Berkeley
- Differential Equations by MIT
- Geometry by Khan Academy
- Multivariable Calculus, Fall 2009 by UC Berkeley
- Real Analysis I by IIT Madras
- Mathematical Logic by IIT Madras
- Differential Equations II by Khan Academy
- Math 3C: Probability for Math Science by UCLA
» check out the complete list of Mathematics lectures
Mathematics Lecture Notes
- Probabilistic Thinking by Princeton University
- Math 231: Partial Differential Equations by UC San Diego
- Math 100: UBC Calculus by University of British Columbia
- Fundamentals of Analysis by Macquarie University
- First Year Calculus by Macquarie University
- Course 2BA1 - Mathematics by Trinity College
- MATA26Y: Calculus by University of Toronto
- Chemistry 1S: Basic Calculus for Chemists by University of Bristol
- Linear Functional Analysis by Macquarie University
- Linear Algebra by Macquarie University