freddyramonmx
freddyramonmx
19-01-2018
Mathematics
contestada
Please help me and thank you!!
Respuesta :
altavistard
altavistard
08-07-2018
Subtract c^2 from a^2+b^2, on the left.
Next, enclose your result inside parentheses.
Next, place a " - " sign in front of this last expression.
This result is the value of 2abcos C.
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