Math
Math, 30.10.2019 03:15, srabani80pal

The product cot 123º. cot 133º. cot 137º.cot 147º, when simplified is equal to : (a) - 1(b) tan 37^@(c) cot 330(d) 1

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The product cot 123º. cot 133º. cot 137º.cot 147º, when simplified is equal to : (a) - 1(b) tan 37^@...

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