Asked by Lee
the limit represents the derivative of some function f at some number a. state f and a.
lim (sin(pai/2 + t)-1)/t
t->0
lim (sin(pai/2 + t)-1)/t
t->0
Answers
Answered by
Steve
Since df/dx = lim(t->0) [f(x+t)-f(x)]/t
f(a+t) - f(a) = sin(pi/2 + t) - sin(pi/2)
Looks like we have f(x) = sin(x) and a = pi/2
f(a+t) - f(a) = sin(pi/2 + t) - sin(pi/2)
Looks like we have f(x) = sin(x) and a = pi/2
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