the position vector of a particle moving in the x-y plane is <2 cos t, 4 sin t> in the interval [0,2pi). for what value(s) of t does the path of the particle have a vertical tangent?

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

What is the volume of a cone with a height of 6 cm in the radius of 2 cm