Question

if cosc2 0 (1+cos) (1-cos)=k. than find the k​

Answer 1

Solution=1.

1+cos 1-cos =1-cos^2 cosec^2

1^2-cos^2 cosec^2×sin^2

1/sin^2× sin^2 =1

Answer 2

Answer:

hope helps!!!!!!!!!!!!!