Computing rotation index of $(\cos t, \sin(3t))$
105506
Finding the Total Curvature of Plane Curves
617
Find θ: $β=\arctan\frac{(R+r)·\sin(θ)-r·\sin(θ(1+\frac{R}{r}))}{(R+r)·\cos(θ)-r·\cos(θ(1+\frac{R}{r}))}$
133186
Understanding the "$\pi$" of a rotating disk
102418
Rotations preserve cross products?
80988
Axis and Angle of Rotation of 3x3 matrix
81825
Orthogonality of sine and cosine integrals.
143200
$f(r,\theta)=(r\cos\theta,r\sin\theta)$ Then
28485
Commutativity of projection and rotation
110507
Complex Number Locus w.r.t Coordinate Axes
107067
Finding the argument of $z=1-\cos(2\theta)-i\sin(2\theta)$
119823
What are theta, phi and lambda in cu1(theta, ctl, tgt) and cu3(theta, phi, lam, ctl, tgt)? What are the rotation matrices being used?
63428
Rotating Cone - Finding Energy and Momentum
35571
Euler Rotations in Ordinary Space
78991
How to calculate the rotation matrix between 2 3D triangles?
18841
Ways to evaluate $\int \sec \theta \, \mathrm d \theta$
56195
Find the minimum value of $\sin^{2} \theta +\cos^{2} \theta+\sec^{2} \theta+\csc^{2} \theta+\tan^{2} \theta+\cot^{2} \theta$
76853
Interpretation of $\mathbf{y}^T(\mathbf{I}-\mathbf{H})\mathbf{y}$ in OLS