Question

Please helpppp

Prove (1-cosA)(1+CosA)(1+cot^2A)=1

Answer 1

= 1= RHS

Explanation:

shee i got u bud ok LHS-

(1+cot^2A)(1+cosA)(1-cosA)

=Cosec^2A(1-cos^2A)

=1/sin^2A×(sin^2A)

= 1= RHS