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17 Sep 2020: 2. Prove the formula sin(A B) = sin A cos B cos A sin B. ... a b c)2 = a cos A b cos B c cos C.

10 Mar 2020: ȧ. a= ḃ. b= S sin θ cos θ, θ̇ =. S(b2 cos2 θ a2 sin2 θ)a2 b2. Combine these effects to obtain. ... ȧ. a= ḃ. b= S sin θ cos θ,. θ̇ =S(b2 cos2 θ a2 sin2 θ).

27 Feb 2020: 2 S)zByBz. Bx. Bz. K cos(Kz). sin(Kz+) 1. z+. ,. vy = v2az2. ... BxBz. K cos(Kz). sin(Kz+). The meridional (x and z) components of B are called the poloidal magnetic field, while the azimuthal(y) component is called the toroidal magnetic field.

4 Feb 2020: in Ow(l i)]B 1 •- ,. cos cos cos k2• sin 20.• -k} cos 20.,)A• iT.,•, 2k•, cos. ... d{ - 3a./.} cos X sin Or,( 1 i) - 2iR•vki, cos Ov] B•.

20 Oct 2020: So it's trying to get more air in and it can't cos that's [the plunger] there. ... 4. Teacher: Cos normally if something's doing the pulling. 5. Jamie: Mmm.[7 seconds].

23 Dec 2020: vr = rν cos φ[c(ν 1)Pν1 b(ν 1) cos θ Pν. ], ... 2.12a). vθ = rν cos φ[cP′ν1 2a csc θ Pν b.

7 Dec 2020: h) y = sin(4x2 π/2). (i) y = cos(2|x|). G H I. ... a)1. (ex)y= exy. (b) 2exy 2eyx = (ex ex)(ey ey) (ex ex)(ey ey).

26 Oct 2020: Substituting y,a,b and f by theirFourier series and using (3.3)-(3.5) we obtain an infinite dimensional system of linear equationsfor the Fourier coefficients ŷn:. ... For instance: choosinga(x) = f(x) = cos πx, b(x) = sin 2πx (which incidentally

24 Aug 2020: G. J. CONDUIT AND P. D. HAYNES PHYSICAL REVIEW B 78, 195310 2008. ... DIFFUSION MONTE CARLO STUDY OF A VALLEY-… PHYSICAL REVIEW B 78, 195310 2008.

20 Oct 2020: I said does it change its weight. S: Er, no, cos you haven’t took anything off it, it’s just a different shape. ... B/S]. A student expressing view to a discussion topic and backing it up:.