If |tan| 4<1 and |A| is acute, then under root 1+sin 2A + under root1–sin 2A divide by
Under root 1+sin 2A - under root 1-sin 2A
is equals
(A) tanA.
(B) -tan A
(C) cotA
(D) -cot. A
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B- tan A .................
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