Question

sin(50+A)-cos(40-A)
answer fast​

Answer 1

Answer:

hope this will help you

Answer 2

Answer:

0

Step-by-step explanation:

sin (50 + A) = cos [90-(50+ A)] = cos 40 - A

{since sin theta = cos (90 -theta)}

So sin (50 + A) - cos (40-A) = cos (40 -A) - cos (40-A) = 0

Hope it helps.