Question

lim ₓ→π/₄ [cot³ x – tan x)]/cos(x + π/4)
is:
(A) 4 (B) 4√2
(C) 8√2 (D) 8

Answer 1

Answer:

(d) 8 is the answer.

Step-by-step explanation:

Answer is attached in the image above

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