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Evaluate the following limit. limx→πsin(π-x)π(π-x) - Mathematics

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Question

Evaluate the following limit.

`lim_(x -> pi) (sin(pi - x))/(pi (pi - x))`

Sum
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Solution

`lim_(x → π)(sin(π - x))/(π (π - x))`

Let π − x = θ, When x → π, θ → 0

∴ `lim_(x → π) 1/π. (sin(π - x))/((π - x))`

= `lim_(θ → 0) (sinθ)/(πθ)`

= `lim_(θ → 0) 1/π. ((sin θ)/θ)`

= `1/π`

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Chapter 13: Limits and Derivatives - Exercise 13.1 [Page 302]

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NCERT Mathematics [English] Class 11
Chapter 13 Limits and Derivatives
Exercise 13.1 | Q 15 | Page 302

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