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Graphs of trig functions : Determining the equation of a trigonome...

By: Sal Khan

Determining the amplitude and period of sine and cosine functions.

Videos and exercises on trigonometry. Watch the Geometry playlist first if you have trouble understanding the topics covered here.

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More trig examples : Trigonometry Identity Review/Fun

By: Sal Khan

Revisiting the proofs of some trigonometry identities.

This tutorial is a catch-all for a bunch of things that we haven't been able (for lack of time or ability) to categorize into other tutorials :(

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Permutations and combinations : Example: Ways to pick officers

By: Sal Khan, Monterey Institute for Technology and Education

How many ways can we pick officers for our organization?

Basics of probability and combinatorics. If want to display your Chuck Norris dolls on your desk at school and there is only room for five of them. Unfortunately, you own 50. How many ways can you pick the dolls and arrange them on your desk? What if you

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Probability using combinatorics : Exactly Three Heads in Five Flips

By: Sal Khan

Probability of exactly 3 heads in 5 flips using combinations

Basics of probability and combinatorics. This tutorial will apply the permutation and combination tools you learned in the last tutorial to problems of probability. You'll finally learn that there may be better investments than poring all your money int

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Brain Teasers : Alien Abduction Brain Teaser

By: Sal Khan

Saving Earth from becoming a mushroom farm.

Random logic puzzles and brain teasers. Fun to do and useful for many job interviews!

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Function inverses : Introduction to Function Inverses

By: Sal Khan

Introduction to Function Inverses

Revisiting what a function is and how we can define and visualize one.

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Graphs of trig functions : Example: Intersection of sine and cosine

By: Sal Khan, Monterey Institute for Technology and Education

Thinking about where the graphs of sin and cos intersect.

Videos and exercises on trigonometry. Watch the Geometry playlist first if you have trouble understanding the topics covered here.

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Graphs of trig functions : Example: Graph of cosine

By: Sal Khan, Monterey Institute for Technology and Education

Basic interpretation of the graph of the cosine function

Videos and exercises on trigonometry. Watch the Geometry playlist first if you have trouble understanding the topics covered here.

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Probability using combinatorics : Example: Probability through cou...

By: Sal Khan, Monterey Institute for Technology and Education

The probability of getting exactly 2 heads when flipping three coins. Thinking about this by visualy depicting all of the outcomes.

Basics of probability and combinatorics. This tutorial will apply the permutation and combination tools you learned in the last tutorial to problems of probability. You'll finally learn that there may be better investments than poring all your money int

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Basic trigonometric ratios : Basic Trigonometry

By: Sal Khan

Introduction to trigonometry

Videos and exercises on trigonometry. Watch the Geometry playlist first if you have trouble understanding the topics covered here.

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Graphs of trig functions : Example: Figure out the trig function

By: Sal Khan, Monterey Institute for Technology and Education

Determining a trig function given its graph

Videos and exercises on trigonometry. Watch the Geometry playlist first if you have trouble understanding the topics covered here.

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Unit circle definition of trigonometric functions : Unit circle de...

By: Sal Khan

Extending SOH CAH TOA so that we can define trig functions for a broader class of angles

Videos and exercises on trigonometry. Watch the Geometry playlist first if you have trouble understanding the topics covered here.

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Solving systems of equations for the king : Solving Systems Graphi...

By: Sal Khan, Monterey Institute for Technology and Education

Some practice solving systems graphically

What happens when we have many variables but also many constraints.

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Trigonometric identities : Navigation Word Problem

By: Sal Khan

Trigonometry problem involving two ships colliding.

If you're starting to sense that there may be more to trig functions than meet the eye, you are sensing right. In this tutorial you'll discover exciting and beautiful and elegant and hilarious relationships between our favorite trig functions (and maybe a

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Logarithmic functions : Vi and Sal Talk About the Mysteries of Ben...

By: Sal Khan

Vi Hart visits Khan Academy and talks about Benford's Law with Sal

An look at exponential and logarithmic functions including many of their properties and graphs. This tutorial shows you what a logarithmic function is. It will then go on to show the many times in nature and science that these type of functions are useful

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Basic trigonometric ratios : Using Trig Functions

By: Sal Khan

Using Trigonometric functions to solve the sides of a right triangle

Videos and exercises on trigonometry. Watch the Geometry playlist first if you have trouble understanding the topics covered here.

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Inverse trig functions : Example: Calculator to evaluate inverse t...

By: Sal Khan, Monterey Institute for Technology and Education

Example using calculator to evaluate inverse tangent function

Videos and exercises on trigonometry. Watch the Geometry playlist first if you have trouble understanding the topics covered here.

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Probability using combinatorics : Example: Different ways to pick ...

By: Sal Khan, Monterey Institute for Technology and Education

Thinking about the different ways we can pick officers in order to find the probability of one situation in particular.

Basics of probability and combinatorics. This tutorial will apply the permutation and combination tools you learned in the last tutorial to problems of probability. You'll finally learn that there may be better investments than poring all your money int

Read More
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Graphs of trig functions : Graphs of trig functions

By: Sal Khan

Exploring the graphs of trig functions

Videos and exercises on trigonometry. Watch the Geometry playlist first if you have trouble understanding the topics covered here.

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Graphs of trig functions : Example: Amplitude and period cosine tr...

By: Sal Khan

Visualizing changes in amplitude and period for a cosine function

Videos and exercises on trigonometry. Watch the Geometry playlist first if you have trouble understanding the topics covered here.

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