Question

prove that: cosecA(1+cosA)(cosA-cotA)​=1

Answer 1

Answer:

Prove that (1-cosA)(1+cosA)(1+cotA×cotA)=1 ... ( 1 + CotA × Cot ) => ( 1 - Cos²A ) ( 1 + Cot²A ) => Sin²A × Cosec²A => Sin²A × 1/ Sin²A => 1