which pair of angles has congruent values for the sin x° and the cos y°?
a) 40°; 140°
...
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Mathematics, 11.10.2019 05:40 edgarsandoval60
which pair of angles has congruent values for the sin x° and the cos y°?
a) 40°; 140°
b) 40°; 80°
c) 40°; 50°
d) 40°; 40°
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