Find the exact value of cos72 degrees

Reference no: EM13846847

Use the 36 degrees, 72 degrees, 72 degrees isosceles triangle to find the exact value of cos72 degrees

Reference no: EM13846847

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Find the exact value of cos72 degrees : Use the 36 degrees, 72 degrees, 72 degrees isosceles triangle to find the exact value of cos72 degrees

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