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Question

$lim α \to π / 4 \frac{sin α - cos α}{α - π / 4}$ .

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Similar Questions

Q1

lim α \to \frac{π}{4} \frac{sin α - cos α}{α - \frac{π}{4}} =

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Q2

Solve:

lim α \to π / 4 \frac{sin α - cos α}{α - π / 4}

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Q3

lim a \to π / 4 \frac{sin α - cos α}{α - π / 4} .

is

\sqrt{b}

Find b

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Q4

If

\frac{π}{2} < α < π

, then

\sqrt{\frac{1 - cos α}{1 + cos α}} + \sqrt{\frac{1 + cos α}{1 - cos α}} =

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Q5

The number of ordered pairs

(α, β)

, where

α, β \in (- π, π)

satisfying

cos (α - β) = 1

and

cos (α + β) = \frac{1}{e}

is

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