482. Find all points on the curve y = tana over the interval =#

Find all points on the curve y = tan:r over the interval a: where the tangent 482. line is parallel to the line y = 2x. 483. Graph y = 1 + + cotr on your calculator in the window 1 y 9. Find the equation of the tangent line at the point (f, 4) ; then find the point on the graph where the graph has a horizontal tangent. 484. Is there a value of b that will make g(x) COS .rr tiable at .rr O? Justify your answers. 485. Find the 1000th derivative of cos x. Find the tangent to the curve y = 2tan at .T 1. 486. FIND y" FOR EACH OF THE FOLLOWING. 487. y = csc9 488. y = sec9 489. 2 2sin 490. y = sin 9 + coso continuous at = O? Differen-