Question

sin A / 1 + cos A = 1 - cos A / sin A

please prove this question and give the answer step by step​

Answer 1

Step-by-step explanation:

sinA/(1+cosA)

=sinA(1-cosA)/(1+cosA)(1-cosA)

=sinA(1-cosA)/(1-cos²A)

=sinA(1-cosA)/sin²A

=(1-cosA)/sinA