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7 Cards in this Set

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expand and explain the use of the sine addition identity:

sin(x+h)=
sin(x+h)=sin(x)cos(h) + cos(x)sin(h)

Use: to prove the derivative of sin(x) is cos(x) with the definition of the derivative.
d/dx sin(x) =
cos(x)
d/dx cos(x) =
-sin(x)
d/dx -sin(x)=
-cos(x)
d/dx -cos(x)=
sin(x)
lim(sinx/x) =
x-0
1
lim (cosx-1/x) =
x-0
0