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OpenStudy (anonymous):
In ∆ABC, if sin A = 4/5 and tan A = 4/3 , then what is cos A?
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OpenStudy (gorv):
sin= perpendicular/hypotenuse=4/5
OpenStudy (gorv):
perpendicular=4 hypotenuse=5
OpenStudy (anonymous):
Thank you! :)
OpenStudy (gorv):
tan=perpendicular /base=4/3 bas3=3
OpenStudy (gorv):
cos= base /hypotenuse
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OpenStudy (gorv):
put values
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