Answer:
about 10 days
Step-by-step explanation:
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:
it will take her 6 weeks
Step-by-step explanation:
150*.2=30
180/30=6
Answer:
7/11
Step-by-step explanation:




The answer would be 56/299