In order to understand the calculus of sin(x) , or any trigonometric
function, we first need to find some limits involving trigonometric functions.
First, we deal with the limit
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To apply the squeeze principle to this situation, we need to look for functions on either side, to compare it to.1 The picture below shows what we need.
1I know, that is a dangling preposition. Too bad. As Winston Churchill once said about such grammatical finery: ``That is the sort of thing, up with which I will not put''.
Copyright (c) 2000 by David L. Johnson.