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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. |
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d/dx sin(x) =
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cos(x)
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d/dx cos(x) =
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-sin(x)
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d/dx -sin(x)=
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-cos(x)
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d/dx -cos(x)=
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sin(x)
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lim(sinx/x) =
x-0 |
1
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lim (cosx-1/x) =
x-0 |
0
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