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New videos from Khan Academy 2018-07-12T22:11:16.574658
Mis à jour : il y a 28 min 41 sec

Warhol, Coca-Cola [3]

jeu, 2018-07-12 22:11
Andy Warhol, Coca-Cola [3], 1962, casein on canvas, 176.2 x 137.2 cm (Crystal Bridges Museum of American Art, © The Andy Warhol Foundation for the Visual Arts), a Seeing America video Speakers: Alejo Benedetti and Steven Zucker

My budget and planning for the future

mer, 2018-07-04 20:42
How much does a social worker make? Can you afford to pay off student loans? A licensed clinical social worker shares her budget and how she is paying off loans while saving for retirement.

What I do and how much I make

mer, 2018-07-04 20:42
What are the responsibilities of a licensed clinical social worker? Evony shares what she enjoys about her job, the benefits of being a bilingual social worker, and how her salary has increased since starting in this field.

How I got my job and where I'm going

mer, 2018-07-04 20:42
What education and training are required to become a licensed clinical social worker? Evony talks about the degrees she pursued to become a social worker, how requirements vary across states, and the importance of internships in helping her determine her career path.

Example 1: heights and distances

mer, 2018-07-04 11:28
Let's solve a problem in real-time involving finding the height of a tall building given the angles of depression of the top and bottom of another shorter building.

Worked examples: trigonometric ratios of complementary angles

mer, 2018-07-04 11:28
Let's solve a few problems where we find the trigonometric ratios of complementary angles. Problems like Cosec (80) = Sec (10).

Example 1: proving trigonometric identities

mer, 2018-07-04 11:28
Let's try to prove a trigonometric identity involving Secant, sine, and cosine of an angle to understand how to think about proofs in trigonometry. There are many ways to prove these identities.

Writing a trigonometric ratio in terms other ratios

mer, 2018-07-04 11:28
Let's see how we can write all the other trigonometric ratios in terms of Sine using trigonometric identities.

Example 2: proving trigonometric identities

mer, 2018-07-04 11:28
Let's try to prove a trigonometric identity in real-time and learn how to think about proofs in trigonometry.

Example 3: proving trigonometric identities

mer, 2018-07-04 11:28
Watch as we try to prove a trigonometric identity in real-time. Instead of just showing the clean and final correct path to the proof, we show how we sometimes take a few wrong turns in the path to arriving at the right path.

Intro to Pythagorean trigonometric identities

mer, 2018-07-04 11:28
Let's get introduced to trigonometric identities by learning the Pythagorean identities. This is our first step towards using trigonometric identities to move from one ratio to another.

Example 2: heights and distances

mer, 2018-07-04 11:28
Let's solve a problem involving finding the height of a cloud given its angle of elevation and the angle of depression of its reflection.

Checks on the judicial branch

lun, 2018-07-02 22:30
How the other branches of government can check the Supreme Court's power.

Senate confirmation as a check on the judicial branch

lun, 2018-07-02 22:30
Senate confirmation as a check on the Judicial Branch.

State checks on the judicial branch

lun, 2018-07-02 22:30
Brown v. Board of Education and how some states tried to get around it.

Hausmann, Spirit of the Age: Mechanical Head

lun, 2018-07-02 20:47
Raoul Hausmann, Spirit of the Age: Mechanical Head, 1919, wooden mannequin head with attached objects, 32.5 x 21 x 20 cm (Centre Pompidou, Musée National d’Art Moderne, Paris) Speakers: Dr. Beth Harris and Dr. Steven Zucker

Worked example: Approximation with local linearity

jeu, 2018-06-28 15:48
Finding the equation of a tangent line at a point of a curve by knowing the derivative at that point. Then using that equation to approximate the value of the function at close by x-values.

Exchange rate primer

jeu, 2018-06-28 15:17
Learn about what an exchange rate is and how to determine the cost of goods in another currency. AP(R) Macroeconomics on Khan Academy: Macroeconomics is all about how an entire nation’s performance is determined and improved over time. Learn how factors like unemployment, inflation, interest rates, economic growth and recession are caused and how they affect individuals and society as a whole. We hit the traditional topics from an AP Macroeconomics course, including basic economic concepts, economic indicators, and the business cycle, national income and price determination, the financial sector, the long-run consequences of stabilization policies, and international trade and finance. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything https://www.youtube.com/subscription_center?add_user=khanacademy

Saenredam, Interior of Saint Bavo, Haarlem

mer, 2018-06-27 21:02
Pieter Jansz. Saenredam, Interior of Saint Bavo, Haarlem, 1631, oil on panel, 82.9 x 110.5 cm (Philadelphia Museum of Art) Speakers: Dr. Christopher D. M. Atkins, Agnes and Jack Mulroney Associate Curator of European Painting and Sculpture, Philadelphia Museum of Art, and Dr. Steven Zucker

How I got my job and where I'm going

ven, 2018-06-22 19:37
A young professional in NYC talks about his path to the world of finance and his goals for the future.

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