Course: Trigonometry Dnatube
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Lec 1 - Basic Trigonometry
Basic Trigonometry Introduction to trigonometry
Lec 2 - Basic Trigonometry II
Basic Trigonometry II A few more examples using SOH CAH TOA
Lec 3 - Radians and degrees
Radians and degrees What a radian is. Converting radians to degrees and vice versa.
Lec 4 - Using Trig Functions
Using Trig Functions Using Trigonometric functions to solve the sides of a right triangle
Using Trigonometric functions to solve t ...
Using Trigonometric functions to solve the Using Trig Functions is shown in this math video lecture.
Lec 5 - Using Trig Functions Part II
Using Trig Functions Part II A couple of more examples of using Trig functions to solve the sides of a triangle.
Lec 6 - The unit circle definition of tr ...
The unit circle definition of trigonometric function Using the unit circle to extend the SOH CAH TOA definition of the basic trigonometric functions.
Lec 7 - Unit Circle Definition of Trig F ...
Unit Circle Definition of Trig Functions Using the unit circle to define the sine, cosine, and tangent functions
Lec 8 - Graph of the sine function
Graph of the sine function Using the unit circle definition of the sine function to make a graph of it.
Lec 9 - Graphs of trig functions
Graphs of trig functions Exploring the graphs of trig functions
Lec 10 - Graphing trig functions
Graphing trig functions Analyzing the amplitude and periods of the sine and cosine functions.
Lec 11 - More trig graphs
More trig graphs Determining the equations of trig functions by inspecting their graphs.
Lec 12 - Determining the equation of a t ...
Determining the equation of a trigonometric function Determining the amplitude and period of sine and cosine functions.
Lec 13 - Trigonometric Identities
Trigonometric Identities Introduction to trigonometric identities
Lec 14 - Proof: sin(a+b) = (cos a)(sin ...
Proof: sin(a+b) = (cos a)(sin b) + (sin a)(cos b) Proof of the trig identity sin(a+b) = (cos a)(sin b) + (sin a)(cos b)
Lec 15 - Proof: cos(a+b) = (cos a)(cos b ...
Proof: cos(a+b) = (cos a)(cos b)-(sin a)(sin b) Proof of the trig identity: cos(a+b) = (cos a)(cos b)-(sin a)(sin b)
Lec 16 - Trig identities part 2 (parr 4 ...
Trig identities part 2 (parr 4 if you watch the proofs) More playing around with trig identities
Lec 17 - Trig identies part 3 (part 5 if ...
Trig identies part 3 (part 5 if you watch the proofs) Continuation of the playing around with trig identities
Lec 18 - Trigonometry word problems (part 1)
Trigonometry word problems (part 1) The first part of a problem when the captain of a ship goes off track.
Lec 19 - Trigonometry word problems (part 2)
Trigonometry word problems (part 2) The second part of the problem of the off-track ship captain
Lec 20 - Law of cosines
Law of cosines Introduction to the law of cosines to solve for a side of a triangle when 2 sides and an angle are known.
Lec 21 - Navigation Word Problem
Navigation Word Problem Trigonometry problem involving two ships colliding.
Lec 22 - Proof: Law of Sines
Proof: Law of Sines A simple proof of the Law of Sines
Lec 23 - Ferris Wheel Trig Problem
Ferris Wheel Trig Problem Trigonometry problems dealing with the height of two people on a ferris wheen
Lec 24 - Ferris Wheel Trig Problem (part 2)
Ferris Wheel Trig Problem (part 2) Part 2 of the ferris wheel problems. Graph of h(t)=9-8cos(18t)
Lec 25 - Fun Trig Problem
Fun Trig Problem A trig problem involving the quadratic equation.
Lec 26 - Lec 24 - Polar Coordinates 1
Polar Coordinates 1 Introduction to polar coordinates
Lec 27 - Polar Coordinates 2
Polar Coordinates 2 Conversion from Cartesian to Polar Coordinates
Lec 28 - Polar Coordinates 3
Polar Coordinates 3 Converting between Cartesian and Polar functions
Lec 29 - Inverse Trig Functions: Arcsin
Inverse Trig Functions: Arcsin Introduction to the inverse trig function arcsin
Lec 30 - Inverse Trig Functions: Arctan
Inverse Trig Functions: Arctan Understanding the arctan or inverse tangent function.
Lec 31 - Inverse Trig Functions: Arccos
Inverse Trig Functions: Arccos Understanding the inverse cosine or arccos function
Lec 32 - Trigonometry Identity Review/Fun
Trigonometry Identity Review/Fun Revisiting the proofs of some trigonometry identities.
Lec 33 - Tau versus Pi
Tau versus Pi Why Tau might be a better number to look at than Pi
Lec 34 - IIT JEE Trigonometry Problem 1
This is a lecture of Khan Academy. 2010 IIT JEE Paper I #29 Trigonometry problem
Lec 35 - IIT JEE Trigonometric Maximum
IIT JEE Trigonometric Maximum IIT JEE Trigonometric Maximum 2010 IIT JEE Paper 1 Problem 48 Trigonometric Maximum
Lec 36 - IIT JEE Trigonometric Constraints
This is a lecture of Khan Academy. 2010 IIT JEE Paper 1 Problem 47 Trigonometric Constraints
Lec 37 - Trigonometric System Example
This lecture is provided by Khan Academy. 2010 IIT JEE Paper 1 Problem 55 Trigonometric System
Lec 38 - 2003 AIME II Problem 11
2003 AIME II Problem 11 A little trigonometry to figure out the area of a triangle is shown in this video.
Lec 39 - 2003 AIME II Problem 14
2003 AIME II Problem 14 Trigonometry and geometry to find the area of an equilateral (but not regular) hexagon
Trigonometry
Source of these courses is khan
This is Trigonometry course from Khan University. These lectures show videos on trigonometry. Watch the "Geometry" playlist first if you have trouble understanding the topics covered here.
khan Website: http://www.dnatube.com/school/khan
