Question

cot A - tan A =
2 cos2 A-1/
sin A cos A​

Answer 1

Answer:

Step-by-step explanation:

Cot A - Tan A

Cos A/Sin A - Sin A/Cos A

BY LCM

Cos²A - Sin²A/Sin A×Cos A

Cos²A - (1-Cos²A)/Sin A×Cos A             {Sin²A = 1-Cos²A}

2 Cos²A-1/Sin A×Cos A

               

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