1.

Prove that (sinA+cosecA)2+(cosA+secA)2=7+tan​​​​2​​​A+cot​​​​2​​​A

Answer»

Prove that (sinA+cosecA)2+(cosA+secA)2=7+tan​​​​2​​​A+cot​​​​2​​​A



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