Find the unit tangent vector T(t) at the point with the given value of the parameter t. r(t)=cos t i+3 t j+2 sin 2 t k, t=0 相关知识点: 试题来源: 解析 r'(t)=-sin t i+3 j+4 cos 2 t k ⇒ r'(0)=3 j+4 k. Thus T(0)=( r'(0))(| r'(0)|)=1(...
Answer to: Find the unit tangent vector T(t) at the point with the given value of the parameter t. r(t) = 6sin t i + 6cos t j + 3tan t k, t = pi/4...
Answer to: Find the unit tangent vector T(t) at the point with the given value of the parameter t. r(t) = (tan^(-1) t, 2e^(2t), 8te^t), t = 0 By...
解析 f(x,y)=xy\ ⇒ \ ∇ f(x,y)= y,x, ∇ f(3,2)=2,3. ∇ f(3,2) is perpendicular to the tangent line, so the tangent line has equation ∇ f(3,2)⋅ x-3,y-2=0⇒ 2,3⋅ x-3,x-2=0⇒ 2(x-3)+3(y-2)=0 or 2x+3y=12....
Answer to: For the following parameterized curve, find the unit tangent vector: r(t) = \left < 9 \: cos(t), 9 \: sin(t), 4 \: cos(t) \right >, for...
Find the curve's unit tangent vector. Also, find the length of the indicated portion of the curve. r(t)=(7cost)i+(7sint)j+(52t)k,0≤t≤π5 Choose the correct answer for the unit tangent vector ofr(t). A.T(t)=(-76218sint)i-...
How to find the unit vector 'u' tangent... Learn more about matlab, image processing, curve fitting MATLAB, Image Processing Toolbox, Signal Processing Toolbox
Find the point on the graph of z = -(x^2 + y^2)| at which vector n = \left \langle 18, -18, 3 \right \rangle| is normal to the tangent plane. P =| Find the point on the graph of z = - (x^2 + 2y^2) at which vec...
time evolution of the distance to the vector in the latent space corresponding to quantify how the activity patterns approach the subspace of training data points, and we calculated the time development of the distance between the activity patterns in the latent space and the center of the ...
We now find the sine of 36°, by first finding the cos of 36°. cos 36°:The cosine of 36 degrees can be calculated by using a pentagon. Seecos36° at CutTheKnotwhere it is shown that Putting these values on a right triangle and solving for the unknown side, we can conclude: ...