Q. What is the value of (32 cos6x – 48 cos4x + 18 cos2x – 1)/[4 sin x cos x sin (60 – x) cos (60 – x) sin (60 + x) cos (60 + x)]?
A) 4 cot 6x
B) 4 tan 6x
C) 8 tan 6x
D) 8 cot 6x
✔ Correct Answer: 8 cot 6x
Exam Insight
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A) 4 cot 6x
B) 4 tan 6x
C) 8 tan 6x
D) 8 cot 6x
✔ Correct Answer: 8 cot 6x
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