Which of the following options are equal to tan2A+cot2A+2?
sec2A.cosec2A
sec2A+cosec2A
= 1cos2A.sin2A
tan2A+cot2A+2
= 1+tan2A+1+cot2A
= sec2A+cosec2A......1+tan2A=sec2A and 1+cot2A=cosec2A
= 1cos2A+1sin2A
= sin2A+cos2Acos2A.sin2A....sin2A+cos2A=1
= 1cos2A.sin2A
= sec2A.cosec2A