Consider the following vector function. r(t) = 4t^2, sin(t) − t cos(t), cos(t) + t sin(t), t > 0(a) Find the unit tangent and unit normal vectors T(t) and N(t).

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

An angle that measures between 90 and 180° is called a(,

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list