Answer:
.25881
Step-by-step explanation:
sin15
=sin(45-30)
=sin45.cos30-cos45.sin30
=(0.707×0.86)-(0.707×0.5)
=(0.6082)-(0.3535)
=0.25
Mechanical Advantage = Force by Hammer / Force by Nail = 160/40 = 4
Answer:
b
Step-by-step explanation:
hjfbxosnodjhxjdbodbdidbjdhdodhdidhidjdbdibdidbfi
The derivative of
in the direction of a vector
is

With
, we get

and
,

Then
