SOLUTION: An isosceles triangle has two sides of length w that make a 2α-degree angle. Write down two different formulas for the area of this triangle, in terms of w and α (Greek “alpha

Question 1163776: An isosceles triangle has two sides of length w that make a 2α-degree angle. Write down two different formulas for the area of this triangle, in terms of w and α (Greek “alpha”). By equating the formulas, discover a relation involving sin 2α, sin α, and cos α.
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John

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