Answer:
0.8
Step-by-step explanation:
12/3 = 4
it was dilated with a scale factor of 4
Step-by-step explanation:
We know that tan=sin/cos, so tan(x+π/2)=

Then, we know that sin(u+v)=sin(u)cos(v)+cos(u)sin(v),
so our equation is then
Then, cos(u+v)=cos(u)cos(v)-sin(u)sin(v), so our expression is then

Answer:
1/2
Step-by-step explanation:
Other answers ; 0.5,2^-1
Answer:
I'm pretty sure Its D i think-