5 उत्तर
5 उत्तर
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tanA = 3/4 so its simple its right angle triangle so the hypotenuse of this triangle is 5
so cosA =4/5
(1-4/5)
(1+4/5)
1/5*5/9
so ans is 1/9
0Modal content
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1/93Modal content
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1/9 is the correct ans...with the help of tanA find cos A and then put the value....u will get the ans......3Modal content
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1/9 h confirm4Modal content
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easy one.. got its-- 1/4-3Modal content
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