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If cot A = 15/8, then what will be the value of tan 2 A?

If cot A = 15/8, then what will be the value of tan 2 A?

how can I delete the question if I posted in below the video explanation

is it available in hindi medium??

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PAIR coded as TAOR MUST coded as WVIP then the same HOLE can be coded as

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A corrupt rice vendor uses a weight of 1200 grams instead of 1 kg while buying rice and use a weight of 900grams instead of 1 kg while selling it also add 5 kg of white stone per 100 kg of rice to get a more money if he gives a discount of 10% to his customer on cost price then how much profit does he makes?

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Eight persons - S, T, U, V, W, X, Y and Z - belong to
a family and they decided to visit a mall which is an
eight-storeyed building. The ground floor is considered
the first floor and the floor above ground floor is
considered the second floor and so on. Each floor
consists of a show room of a different brand viz.,
Fabindia, Sisley, Wrangler, Brooks, Nike, Adidas, Celio
and Levis but not necessarily in the same order. Each
person in the family shops only in one show room. There
are three married couples among them and each couple
has at least one child. The following information is known
about them. W shops in celio which is on an even-
numbered floor but not the 8th floor. The daughter of W
shops in the showroom which is on the first floor but it is
not fabindia. The persons who shop in celio and levis are
siblings. The person who shops in adidas is the brother-
in-law of Y. There are exactly two floors between the
floor on which the showroom of adidas is and the floor of
the showroom in which the wife of the one who shops in
adidas shops. The son-in-law of X shops in nike which is
immediately below the levis showroom. The husband of
S shops in sisley which is immediately above or
immediately below the floor where V shops. The
wrangler showroom is on the second floor. S shops on a
floor which is above the floor on which her grandson
shops. T is a female. The person who shops on the sixth
floor is the wife of Z. Z shops neither in adidas nor on a
floor above the floor where V shops.