show that (sin A + Cose C A)^2; (cosA + SecA)^2
7 + Tan” At Cot2A.​

1 thought on “show that (sin A + Cose C A)^2; (cosA + SecA)^2<br />7 + Tan” At Cot2A.​”

1. [tex]\huge\color{Black}\boxed{\colorbox{yellow}{꧁Answer꧂}}\\[/tex]

   (sinA+cosecA)²+(cosA+secA)²

   =sin²A+cos²A+2+cos²A+sec²A+2

   =5+sec²A+cosec²A

   =5+1+tan²A+1+cot²A

   =7+tan²A+cot²A

   Reply