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96(sen10)^5 + 16(sen10)^4 -52sen10
+10, sabendo q sen3x = 3senx-4sen^3 x
sen30 = 3sen10-4sen^3 10 -24sen30 = -72sen10 + 96sen^3 10 => -24(1/2)*sen^2 10 = -72sen^3 10 + 96sen^5 10 (1) -4sen30 = -12sen10 + 16sen^3 10 => -4(1/2)*sen 10 = -12sen^2 10 +16sen^4 10 (2) Somando (1) + (2) => 96(sen10)^5 + 16(sen10)^4 -72sen^3 10 +2sen10 = 0 (3) -18sen30 = -54sen 10 + 72sen^3 10 => 72sen^3 10 - 54sen 10 +9 =0 (4) Somando (3) + (4) => 96(sen10)^5 + 16(sen10)^4 -52sen10 +9 =0 96(sen10)^5 + 16(sen10)^4 -52sen10 +9 +1=0 +1 96(sen10)^5 + 16(sen10)^4 -52sen10 +10 = 1
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