Basic trig limit
lim as theta approaches 0 of sin theta over theta is 1
The basic trigonometric limit is as follows:
As x approaches 0, sin(x)/x approaches 1.
This limit is important because it is used to calculate the derivatives of trigonometric functions. It has many important applications in both mathematics and physics.
To prove this limit, we can use the squeeze theorem. We know that sin(x) is bounded between -1 and 1, so we can write:
-1 <= sin(x)/x <= 1 As x approaches 0, the numerator and denominator both approach 0, so we can use the squeeze theorem to conclude that: lim x->0 sin(x)/x = 1
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