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OpenStudy (anonymous):
given a right triangle ABC, which of the following statements must be true? check all that apply pic in comments a) sinA=cos (90-C) b)cosA=sinC c) sinA=cos(90-A) d) angle a and angle c are supplementry
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OpenStudy (anonymous):
OpenStudy (anonymous):
k supplementar means 180 so D is false
OpenStudy (anonymous):
i fee like its b and something else?
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