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29 December, 23:50

Which pair of angle measures satisfy the condition sin J = cos K?

A. 15 deg.,45deg

B. 45deg, 90deg

C 60deg, 30deg

D. 80deg, 100deg

E. 70deg, 110deg

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Answers (1)
  1. 30 December, 00:14
    0
    Sin J = cos K

    sin J = cos (90 - J)

    So, K = 90 - J

    Therefore, 60 deg, 30 deg satisfy the condition sin J = cos K.
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