The value of (lim)xπ/4cos(x+4π)tan3x−tanx is 8 b. 4 c. −8 d. −2

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Question

The value of $(lim)_{x π / 4} \frac{tan ^{3} x - t a n x}{cos ( x + \frac{π}{4} )}$ is $8$ b. $4$ c. $- 8$ d. $- 2$

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The value of

(lim)_{x π / 4} \frac{tan ^{3} x - t a n x}{cos ( x + \frac{π}{4} )}

8

4

- 8

- 2

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Question Text

The value of

(lim)_{x π / 4} \frac{tan ^{3} x - t a n x}{cos ( x + \frac{π}{4} )}

8

4

- 8

- 2