Law of cosines: a2 = b2 + c2 – 2bccos(a)
which equation correctly uses the law of cosin...
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Mathematics, 30.10.2019 00:31 vanna7353
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°)
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