Answer:
I did this before it is C
Step-by-step explanation:
Answer:
Step-by-step explanation:
tan47=x/18
x=18tan47
cosCDB=7/x
cosCDB=7/(18tan47)
CDB=arccos(7/(18tan47))
CDB=68.74
The product of a scalar and a matrix is found by multiplying each element of the matrix by the scalar. Multiply each element by -4.
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This might help you..need more information
Oof I’m gonna fail hard body what is this jibberish