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The United States Air Force's 817th Expeditionary Air Support Operations Squadron (817 EASOS) is a combat support unit located at an undisclosed location in the Middle East. The 817 EASOS provides Tactical Command and Control of air power assets to the Joint Forces Air Component Commander and Joint Forces Land Component Commander for combat ...
Ptolemy's theorem states that the sum of the products of the lengths of opposite sides is equal to the product of the lengths of the diagonals. When those side-lengths are expressed in terms of the sin and cos values shown in the figure above, this yields the angle sum trigonometric identity for sine: sin(α + β) = sin α cos β + cos α sin β.
The starting corner equals the product of its two nearest neighbors. For example, sin A = cos A ⋅ tan A {\\displaystyle \\sin A=\\cos A\\cdot \\tan A} The sum of the squares of the two items at the top of a triangle equals the square of the item at the bottom.
The squadron was activated at Ephrata Army Air Base as the 817th Bombardment Squadron (Heavy) on 20 September 1943 as one of the four original squadrons of the 483d Bombardment Group. In November, the squadron moved to MacDill Field , Florida, where it trained with Boeing B-17 Flying Fortresses under Third Air Force , [ 2 ] [ 5 ] as Second Air ...
Drugs, weapons and human trafficking. That's probably what comes to mind when thinking about the black market -- but the illegal trade is more varied than you may think, and it also encompasses ...
One can take a suitable branch of the logarithm of an entire function that never hits , so that this will also be an entire function (according to the Weierstrass factorization theorem). The logarithm hits every complex number except possibly one number, which implies that the first function will hit any value other than 0 {\displaystyle 0} an ...
In mathematics, orthogonal functions belong to a function space that is a vector space equipped with a bilinear form.When the function space has an interval as the domain, the bilinear form may be the integral of the product of functions over the interval:
If vectors u and v have direction cosines (α u, β u, γ u) and (α v, β v, γ v) respectively, with an angle θ between them, their units vectors are ^ = + + (+ +) = + + ^ = + + (+ +) = + +. Taking the dot product of these two unit vectors yield, ^ ^ = + + = , where θ is the angle between the two unit vectors, and is also the angle between u and v.