Limits, Continuity & Differentiability
General
Grade 12
Question:
<p>limx→1/
√
2
sin(cos−1 x)−x
1−tan(cos−1 x) is:</p>
Step-by-Step Solution
Key Concept: General
<p>Let cos-1 x = \theta \to \pi/4. Expression = sin \theta-cos \theta</p> 1-tan \theta = -cos \theta = -1/ \sqrt<p><strong>2</strong>: Option (4).</p>
Correct Answer: (4)