Created
July 13, 2011 13:57
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sin cos of one degree
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#!/usr/bin/env maxima | |
c2(x):=2*x^2-1; | |
c3(x):=4*x^3-3*x; | |
answers:solve(c2(x)=c3(x),x); | |
cos72:rhs(answers[2]); /* index may differ in system */ | |
sin18:cos72; | |
cos18:expand(sqrt(1-sin18^2)); | |
answers:solve(c3(x)=cos18,x); | |
cos6:rhs(answers[3]); /* index may differ in system */ | |
answers:solve(c3(x)=cos6,x); | |
cos2:rhs(answers[3]); /* index may differ in system */ | |
answers:solve(c2(x)=cos2,x); | |
cos1:rhs(answers[2]); /* index may differ in system */ | |
answers:solve(-c2(x)=cos2,x); | |
sin1:rhs(answers[1]); /* index may differ in system */ | |
stringout("/dev/stderr",cos1); | |
stringout("/dev/stderr",sin1); | |
/* | |
cos1:sqrt(2^(4/3)*(4^(1/3)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)*sqrt(-2*4^(11/3)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(2/3)+2^(13/2)*sqrt(3-sqrt(5))*%i*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)+2^(13/2)*sqrt(sqrt(5)+5)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)+4^(13/3))+32*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)+2^(7/2)*4^(1/3)*sqrt(3-sqrt(5))*%i+2^(7/2)*4^(1/3)*sqrt(sqrt(5)+5))^(1/3)+4^(22/9)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(4/9)/(4^(1/3)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)*sqrt(-2*4^(11/3)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(2/3)+2^(13/2)*sqrt(3-sqrt(5))*%i*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)+2^(13/2)*sqrt(sqrt(5)+5)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)+4^(13/3))+32*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)+2^(7/2)*4^(1/3)*sqrt(3-sqrt(5))*%i+2^(7/2)*4^(1/3)*sqrt(sqrt(5)+5))^(1/3)+2^(5/3)*4^(11/9)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(2/9))/(2^(13/9)*4^(5/9)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/9)); | |
sin1:-sqrt(-2^(4/3)*(4^(1/3)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)*sqrt(-2*4^(11/3)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(2/3)+2^(13/2)*sqrt(3-sqrt(5))*%i*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)+2^(13/2)*sqrt(sqrt(5)+5)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)+4^(13/3))+32*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)+2^(7/2)*4^(1/3)*sqrt(3-sqrt(5))*%i+2^(7/2)*4^(1/3)*sqrt(sqrt(5)+5))^(1/3)-4^(22/9)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(4/9)/(4^(1/3)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)*sqrt(-2*4^(11/3)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(2/3)+2^(13/2)*sqrt(3-sqrt(5))*%i*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)+2^(13/2)*sqrt(sqrt(5)+5)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)+4^(13/3))+32*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/3)+2^(7/2)*4^(1/3)*sqrt(3-sqrt(5))*%i+2^(7/2)*4^(1/3)*sqrt(sqrt(5)+5))^(1/3)+2^(5/3)*4^(11/9)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(2/9))/(2^(13/9)*4^(5/9)*(sqrt(2)*sqrt(3-sqrt(5))*%i+sqrt(2)*sqrt(sqrt(5)+5))^(1/9)); | |
*/ |
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