Question

y=3sin(x-π/2)+1 please answer fast

Answer 1

Answer:

y= cos

Step-by-step explanation:

y= sin(x+(π/2)? sin( a+b)=sin a.cos b+ cos a. sin b. y= sin x. cos (π/2)+ cos x.sin (π/2), plug sin(π/2)=1,cos (π/2)=0. y =sin x.0 + cos x.1, y=0+ cos x , y = cos x.