Tan alpha =1✓x(x²+x+1), tan beta=✓x/✓x²+x+1, tan gama=✓x³+x²+x prove alpha+betw=gama
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Tan alpha =1✓x(x²+x+1), tan beta=✓x/✓x²+x+1, tan gama=✓x³+x²+x prove alpha+betw=gama answer is ✓√xy
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