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secƟ - tan Ɵ = x/y ------ (i) sec Ɵ + tan Ɵ = y/x ------ (ii) solving (i) and (ii), we get => 2 sec Ɵ = (x2 + y2)/xy => sec Ɵ = (x 2+ y 2)/2xy
A, B, C, D, E and F are sitting in a row. E and F are in the centre. A and B are at the ends. C is sitting to the left of A. Who is to the right of Piyush?
If S is related to X and W is related to T in a certain way, then who among the following person is related to R?
Seven persons I, J, K, L, M, N and O are sitting in the straight horizontal line facing towards the north. I sits extreme end of the line. One person si...
Six persons L, M, N, O, P, and Q sit in a linear row facing north direction but not necessarily in the same order. Two persons sit between N and P. P si...
Who sits second right of X?
How many persons are sitting between person R and person T?
Who sits opposite to G?
What is the position of P with respect to her sister?
If H is at extreme right end, then how many persons are sitting H and Z?
If O is related to L and M is related to N in a certain way. Then, who among the following is related to R?
