Limits, Continuity & Differentiability
General
Grade 12
Question:
<p>limx→0
cos(sin x)−cos x
x4
is equal to:</p>
Step-by-Step Solution
Key Concept: General
<p>Using expansion cos t \approx1 -t2/2 + t4/24. Numerator \approxx4/6. Limit = 1/6. Option (3).</p>
Correct Answer: (3)