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Mathematics
Mathematics
Problem
Evaluate:
lim
x
→
0
1
+
sin
x
−
1
−
sin
x
x
\lim_{x \to 0} \frac{\sqrt{1 + \sin x} - \sqrt{1 - \sin x}}{x}
x
→
0
lim
x
1
+
sin
x
−
1
−
sin
x
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