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OpenStudy (gabylovesyou):
Which pair of angles has congruent values for the sin x° and the cos y°? 42°; 42° 42°; 48 42°; 138° 42°; 132°
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OpenStudy (gabylovesyou):
@math&ing001
OpenStudy (gabylovesyou):
im guessing its B... since they add up to 90
OpenStudy (kamille):
they should add up to 180, no?
OpenStudy (kamille):
@hartnn
OpenStudy (math&ing001):
Use this cos(x) = sin(90-x)
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OpenStudy (gabylovesyou):
so im right B....
hartnn (hartnn):
you're correct :)
OpenStudy (math&ing001):
yeah
OpenStudy (gabylovesyou):
thanks everyone!
OpenStudy (math&ing001):
No probs !
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