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WebSo essentially, for any angle, this point is going to define cosine of theta and sine of theta. And so what would be a reasonable definition for tangent of theta? Well, tangent of theta-- even with soh cah toa-- could be defined as sine of theta over cosine of theta, which in this case is just going to be the y-coordinate where we intersect the ...

WebIn previous lessons or courses, you've learned about ways to define E and this could be a new one. E is the number that where if you take that number to the power of X, if you define a function or expression as E to the X, it's that number where if you take the derivative of that it's still going to be E to the X.

WebOne mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions). The number 6.022 × 10²³ is known as Avogadro's number or Avogadro's constant. The concept of the mole can be used to convert between mass …

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WebIonic compounds are neutral compounds made up of positively charged ions called cations and negatively charged ions called anions. For binary ionic compounds (ionic compounds that contain only two types of elements), the compounds are named by writing the name of the cation first followed by the name of the anion. For example, KCl, an ionic compound …

WebSo lets say negative two times negative 6 This is also unclear to you What you do know, because you are a mathematician, is however you define this or whatever this should be It should hopefully be consistant with all of the other properties of mathematics that you already know And preferably all of the other properties of multiplication That ...

Web- [Narrator] In the last video we discussed how the Portuguese began to really expand their exploration around Africa with the invention of the caravel, a fast new ship that could sail into the wind, and how Spain, newly united with Ferdinand and Isabella, completed its campaign to expel Muslims from Spain, the Reconquista, in 1492 and began to look outward for an …

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