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(cos(x))^-1
(ln(cos(x)))^-1
1;3;6;7;5;2
((ln(cos(x)))^-1)/((1-x^2)^(1/2))
ln(2*x^2-x^3)
| 5n-4=1+2n-17 | | 2377800+10x=2067000+130x | | x+x-7=59 | | 3.3(w-6.5)=28.8 | | x+x+18=96 | | .25+.05(20-x)=.21(20) | | 4(-2z+5)=5(2z+4) | | 3+2n=5(n-6) | | 20x+3y=18 | | 9x-15y+27= | | f(x)=2x^2-3x+8 | | 3x+8=-7+2x | | 2x-3=13x-41 | | 2/3u-8/5=-5/4 | | 5+0.5p=0 | | 3m-18n= | | 40.8=2.8x | | c^15/c^5 | | -8x+4=129 | | -8u+5(u+3)=33 | | c^15/c^5= | | X/1.05=218/33.9 | | 19x-3+8x+10=115 | | c15/c5 | | 8=2/3*h | | 3(-5-x)+15=45 | | D=1/2gt*2 | | 12+6c=5c-30 | | -2(n+5)-4=-18 | | 8=2/3h | | 2(n+3)-4=18 | | x-(-8x)=1+x |