Mathematics, 03.02.2020 01:44 alyssabalinnt
Using the law of cosines, write an algebraic proof to show that the angles in an equilateral triangle must equal 60°. use "∧" to indicate exponents. for example, type a2 as a∧2. (hint: let s be a length of each side and x be the angle measure; then use these variables in the law of cosines.)
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Using the law of cosines, write an algebraic proof to show that the angles in an equilateral triangl...
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