cot $\frac{A}{2}$= x, then x is equal to
cot $\frac{A}{2}$= x, then x is equal to 1). $\frac{tanA}{(1+secA)}$ 2). $\frac{1}{(secA+cotA)}$ 3). $\frac{tanA}{(1+cosecA)}$ 4). $\frac{1}{(cosecA-cotA)}$
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2018-06-07 11:41:40 | Votes
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Answer for this question is option 4
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