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Using the identities sec²x = 1 + tan²x and csc²x = 1 + cot²x, substitute: (1 + tan²x) + (1 + cot²x) = 10. Simplify: 2 + tan²x + cot²x = 10. tan²x + cot²x = 8. Correct answer: d
If ‘A + B’ means that A is the father of B, ‘A x B’ means that A is the mother of B, ‘A - B’ means ‘A’ is the wife of B, then which of ...
If “G # H ! K @ P $ S”, then how H is related to P?
____ is the mother of E.
Who among the following is definitely the son of B?
How is T related to E?
How is R related to V?
N has only two daughters U and P. P is married to O. O is father of S. U is married to V. B is daughter-in-law of P. How is S related to N?
Which of the following indicates that ‘D is grandmother of T’?
I is the father of G but G is not the son of I, who is married to P. N is the mother-in-law of P. How is G related to E, if E is married to N?
How C related to A?