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If sin^2 x + cos^2y = 2 sec^2z, then x, ...

If `sin^2 x + cos^2y = 2 sec^2z`, then x, y , z are ………….

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ML KHANNA-TRIGONOMETRICAL EQUATIONS -PROBLEM SET (1) ((fill in the blanks)
  1. If sin^2 x + cos^2y = 2 sec^2z, then x, y , z are ………….

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