Question

if cos (90 degree - A) =0 then sin (A+B) =
A) 0
B)2
C)3
D)none of the above​

Answer 1

Answer:

3

Step-by-step explanation:

i hope it helps dear please mark as brainlist

Answer 2

Answer:

put formula of sin(A+B)= sinA cosB + cosA sinB