sisie9bel0limo sisie9bel0limo

28-12-2016
Mathematics

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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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nobillionaireNobley nobillionaireNobley

29-12-2016

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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