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# 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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3. four years hence, b will be 30 years old. the ratio of a's age one yearhence to b's age one year ago is 4: %. find the age of a 5 years ago.

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Triangle abc rt angle at a. ab=6cm, bc=10cm, is the centre of the circle find area of the in circle

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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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