Quantajah
28.11.2019 •
Mathematics
What is sin (a-b) if sin a =4/5 in the second quadrant and cos b = 3/5 in the first quadrant
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Ответ:
24/25
Step-by-step explanation:
using the formula sin(a-b)=sin(a)*cos(b)-sin(b)*cos(a). The details are in the attached picture.
Ответ:
Step-by-step explanation: