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Given conditions A+B+C=180°
then prove that:
sin(B+2C)+sin(C+2A)+sin(...
Mathematics, 13.02.2021 16:30 anferneebcoleman
Help me
Given conditions A+B+C=180°
then prove that:
sin(B+2C)+sin(C+2A)+sin(A+2B)=4si n{B-C/2}sin{C-A/2}sin{A-B/2}
Answers: 1
Mathematics, 21.06.2019 18:00
Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?
Answers: 1
Mathematics, 21.06.2019 21:00
Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x
Answers: 1
Mathematics, 21.06.2019 21:00
Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)
Answers: 1
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