sec4 A− tan4 A = (Sec2A -Tan2A) ×(Sec2+tan2A) As we know that – Sec2A -Tan2A =1 sec4 A− tan4 A =1×4/17 =4/17.
There are six persons, M, N, O, P, Q and R in a family. R is the paternal grandmother of M. O is the sister of Q. N is the father of O. M is the only so...
Who among Siddhartha, Nikunj, Vipul and Mukul is the Youngest?
I. Vipul is younger than Mukul but older than Siddartha and Nikunj.
II.Muku...
There are six members, W, Y, R, S, V and T, in a family of three generations. No single person is the parent in the family. S is the only grandson of W,...
How is O related to N?
J is the sister of T. T is married to D. D is the father of R. M is the son of H. T is the mother – in – law of H. D has only one son and no daughte...
How is Q related to R?
How I related to F?
How is H related to J?
How is N related to O?
How is L related to J?
