Help me plzzzz, trigonometry!! I'll give brainliest!!!
1 answer:
Answer:
Step-by-step explanation:
tan47=x/18
x=18tan47
cosCDB=7/x
cosCDB=7/(18tan47)
CDB=arccos(7/(18tan47))
CDB=68.74
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Step-by-step explanation:
11)
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