tan1° = √((4-√(7+√(5)+√(6*(5+√(5)))))/(4+√(7+√(5)+√(6*(5+√(5))))))-(12*(1-i*√(3)))/((4+√(7+√(5)+√(6*(5+√(5)))))*
(1/2*(54*√((4-√(7+√(5)+√(6*(5+√(5)))))/(4+√(7+√(5)+√(6*(5+√(5))))))+(216*√(4-√(7+√(5)+√(6*(5+√(5))))))/(4+√(7+√
(5)+√(6*(5+√(5)))))^(3/2)-(54*√((7+√(5)+√(6*(5+√(5))))*(4-√(7+√(5)+√(6*(5+√(5)))))))/(4+√(7+√(5)+√(6*(5+√(5)))))^
(3/2)+√(-1492992/(4+√(7+√(5)+√(6*(5+√(5)))))^3+(54*√((4-√(7+√(5)+√(6*(5+√(5)))))/(4+√(7+√(5)+√(6*(5+√(5))))))+(21
6*√(4-√(7+√(5)+√(6*(5+√(5))))))/(4+√(7+√(5)+√(6*(5+√(5)))))^(3/2)-(54*√((7+√(5)+√(6*(5+√(5))))*(4-√(7+√(5)+√(6*
(5+√(5)))))))/(4+√(7+√(5)+√(6*(5+√(5)))))^(3/2))^2)))^(1/3))-1/6*(1+i*√(3))*(1/2*(54*√((4-√(7+√(5)+√(6*(5+√(5)))))/(
4+√(7+√(5)+√(6*(5+√(5))))))+(216*√(4-√(7+√(5)+√(6*(5+√(5))))))/(4+√(7+√(5)+√(6*(5+√(5)))))^(3/2)-(54*√((7+√(5)+
√(6*(5+√(5))))*(4-√(7+√(5)+√(6*(5+√(5)))))))/(4+√(7+√(5)+√(6*(5+√(5)))))^(3/2)+√(-1492992/(4+√(7+√(5)+√(6*(5+√(5
)))))^3+(54*√((4-√(7+√(5)+√(6*(5+√(5)))))/(4+√(7+√(5)+√(6*(5+√(5))))))+(216*√(4-√(7+√(5√(4-√(7+√(5)+√(6*(5+√(5
))))))/(4+√(7+√(5)+√(6*(5+√(5)))))^(3/2)-(54*√((7+√(5)+√(6*(5+√(5))))*(4-√(7+√(5)+√(6*(5+√(5)))))))/(4+√(7+√(5)+
√(6*(5+√(5)))))^(3/2))^2)))^(1/3))-1/6*(1+i*√(3))*(1/2*(54*√((4-√(7+√(5)+√(6*(5+√(5)))))/(4+√(7+√(5)+√(6*(5+√(5))))
))+(216*√(4-√(7+√(5)+√(6*(5+√(5))))))/(4+√(7+√(5)+√(6*(5+√(5)))))^(3/2)-(54*√((7+√(5)+√(6*(5+√(5))))*(4-√(7+√(5)
+√(6*(5+√(5)))))))/)+√(6*(5+√(5))))))/(4+√(7+√(5)+√(6*(5+√(5)))))^(3/2)-(54*√((7+√(5)+√(6*(5+√(5))))*(4-√(7+√(5)+
√(6*(5+√(5)))))))/(4+√(7+√(5)+√(6*(5+√(5)))))^(3/2))^2)))^(1/3)