Define a relation R on the interval $ \left[0, \frac{\pi}{2}\right) $ by $ x $ R $ y $ if and only if $ \sec^2x - \tan^2y = 1 $. Then R is :
JEE · Math · previous-year question
- A.both reflexive and symmetric but not transitive
- B.both reflexive and transitive but not symmetric
- C.reflexive but neither symmetric not transitive
- D.an equivalence relation
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