Question

If cosec^2a(1+cosa) (1-cosa)=x then the value of x is

Answer 1

x = cosec²A × (1 + cos A)(1 - cos A) = cosec²A  × (1 - cos²A) = cosec²A × sin²A = 1


therefore x = 1

Answer 2

Answer:

x= cosec²a ×(1+cos A) (1-cos A)= cosec²A×(1- cos²A)= cosec²A×sin²A= 1

x=1