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OpenStudy (anonymous):
Which pair of angles has congruent values for the sin x° and the cos y°? (4 points) Select one: a. 50°; 40° b. 50°; 50° c. 50°; 100° d. 50°; 130°
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OpenStudy (anonymous):
@ganeshie8 @sidsiddhartha
OpenStudy (anonymous):
i think its A
OpenStudy (anonymous):
Am i correct
OpenStudy (anonymous):
can u tell me how
OpenStudy (sidsiddhartha):
yes sin(90-a)=cos a
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OpenStudy (anonymous):
hmm
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