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OpenStudy (anonymous):
Use the law of cosines to find the value of 2(3)4 costheta a. -24 b. 24 c. -21 d. 21
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OpenStudy (anonymous):
c
OpenStudy (anonymous):
|dw:1354785102685:dw|
OpenStudy (raden):
cos(theta) = (3^2 + 4^2 - 2^2)/(2*3*4) = ... then multiply by 2*3*4
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