Question

I need calc 1 help

Answer 1

Can someone explain this to me?

Answer 2

I understand av. velocity, but where are they adding the sin and cos???

Answer 3

average velocity
\(\Large = \dfrac{ds}{dt} = \dfrac{s_2-s_1}{t_2-t_1}\)

s = displacement

Answer 4

its like finding the slope

Answer 5

Right. But am I failing to understand where the sin and cos are added?

Answer 6

i don't understand your question
"where are they added"
means?

Answer 7

s = s(t) = 3 sin πt+
5 cos πt.

Where is that in the answers?

Answer 8

you're plugging 't' with numbers!

Answer 9

\(\dfrac{s(2) -s(1)}{2-1}\)

Answer 10

whats s(2) = ...?
plug in t=2