Answer:
Step-by-step explanation:
i dont the answer dude
Answer:
y = 
Step-by-step explanation:
using the addition formula for sine
sin(x + y) = sinxcosy + cosxsiny
then
sinxcosy + cosxsiny =
sinx +
cosx
for the 2 sides to be equal , then
cosy =
and siny = 
then
y =
(
) = 
and
y =
(
) = 
thus y = 
I’m learning this right now but the photos are blurry I can’t see it that well