how do I solve

dr Find for r = tan O sec 0. do Choose the correct answer. dr OA. do = sin 3 0 ( sec 2 0 + 1) dr OB. do - sec 0 sin " e + 1 dr O C. do sec ' 0( sin 0 + 1) dr OD. do - sec 2 0( sin 3 0 + 1)