Law of cosines: a2 = b2 + c2 – 2bccos(a)
which equation correctly uses the law of cosin...
Mathematics, 02.12.2019 12:31 aliyahadekoya
Law of cosines: a2 = b2 + c2 – 2bccos(a)
which equation correctly uses the law of cosines to solve for y?
92 = y2 + 192 – 2(y)(19)cos(41°)
y2 = 92 + 192 – 2(y)(19)cos(41°)
92 = y2 + 192 – 2(9)(19)cos(41°)
y2 = 92 + 192 – 2(9)(19)cos(41°)
Answers: 2
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