The formula for sin2A is as follows: sin2A = 2sinAcosA In trigonometry, this formula is called the double angle formula for the sine function,...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough...
曲线下面积的积分 114-What is Integration Finding the Area Under a Curve 08:18 积分基本定理:重新定义积分 115-The Fundamental Theorem of Calculus Redefining Integration 09:38 积分的性质和定积分的计算 116-Properties of Integrals and Evaluating Definite Integrals 09:48 计算不定积分 117-Evaluating...
What is the exact value of sin (285^o)? What is the exact value of sin 45 degrees using the half-angle formula? If \sin A = \frac{1}{3}, what is the value of \cos A? If u(t) = \langle \sin 5t, \cos 5t, t\rangle and v(t) = \langle t, \cos 5t, \sin 5t\rangle...
2013). In these terms, a plain is flat and flat. Flat, convex, and concave are parts of a single mathematic function. So we can imagine that what vision considers a smooth surface fits a formula for a curve in all possible directions from a point. The possible curves have different ...
It is not quite faithful, since conjugation by the unit quaternion is the identity, but one can show that this is the only loss of faithfulness, reflecting the well known fact that is a double cover of . For instance, for any real , conjugation by is a rotation by around : ...
Here things should be better behaved; for instance, it is an easy verification from (say) Urysohn’s lemma that the epimorphisms in this category are precisely the surjective continuous maps. So we have a usable notion of a projective object in this category: CH spaces such that any ...
and double bonds with a set of parallel lines. Water’s line-bond formula would appear as H—O—H, with the lone pairs of electrons represented by dots, two above and two below the O. This type of formula is also called a Lewis structure. Sometimes lone pairs are omitted from the lin...
An isosceles trapezoid is a type of trapezoid. A trapezoid is any quadrilateral shape (a shape with 4 sides) where only two of the sides are parallel to each other. An isosceles trapezoid also includes that the two non-parallel sides are equal in length. What are the characteristics of an...
Benzene is an organic chemical compound with the molecular formula C6H6. The benzene molecule is composed of six carbon atoms joined in a planar ring with one hydrogen atom attached to each, where all the bonds are identical. It has a shape of a regular hexagon, with bond angles of 120∘...
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