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Please help me with trigonometry and law of sines I’m being timed and really need the help

Please help me with trigonometry and law of sines I’m being timed and really need the help
asked 162k views
17 votes
Please help me with trigonometry and law of sines I’m being timed and really need the help

Please help me with trigonometry and law of sines I’m being timed and really need-example-1
asked
User Jeffrey Jose
by
8.1k points

1 Answer

8 votes

Explanation:

cosA = AC² + BC²- AB² / 2 • AC • BC

cos A = 13.5²+23.9²-12.7²/2• 13.5 • 23.9

answered
User Tryx
by
9.1k points
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