What is the value of (cos9A+cos5A/sin9A-sin5A)
What is the value of (cos9A+cos5A/sin9A-sin5A)

What is the value of (cos9A+cos5A/sin9A-sin5A)?

(a)          cot 2A

(b)          cot A.

(c)           tan 2A

(d)          tan A

Sol:
quantitative aptitude
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