Math - Trigonometry
Videos on trigonometry. Watch the "Geometry" playlist first if you have trouble understanding the topics covered here.
- Basic Trigonometry
- Basic Trigonometry II
- Radians and degrees
- Using Trig Functions
- Using Trig Functions Part II
- The unit circle definition of trigonometric function
- Unit Circle Definition of Trig Functions
- Graph of the sine function
- Graphs of trig functions
- Graphing trig functions
- More trig graphs
- Determining the equation of a trigonometric function
- Trigonometric Identities
- Proof: sin(a+b) = (cos a)(sin b) + (sin a)(cos b)
- Proof: cos(a+b) = (cos a)(cos b)-(sin a)(sin b)
- Trig identities part 2 (parr 4 if you watch the proofs)
- Trig identies part 3 (part 5 if you watch the proofs)
- Trigonometry word problems (part 1)
- Trigonometry word problems (part 2)
- Law of cosines
- Navigation Word Problem
- Proof: Law of Sines
- Ferris Wheel Trig Problem
- Ferris Wheel Trig Problem (part 2)
- Fun Trig Problem
- Polar Coordinates 1
- Polar Coordinates 2
- Polar Coordinates 3
- Inverse Trig Functions: Arcsin
- Inverse Trig Functions: Arctan
- Inverse Trig Functions: Arccos
- Trigonometry Identity Review/Fun