Matematik opg 1225 1228 1234 1230 1232 1242


Indholdsfortegnelse

1225

P = heltal.
  • LaTex: sin^{-1}(0,7961)=0,9208 + p\times 2 \pi
  • LaTex: sin^{-1}(0,7961)=0,2,207 + p\times 2 \pi

1228

  1. LaTex: cos^{-1}(0,516)=1,0286
    • LaTex: 2 \times \pi - 1,0286 = 5,2546
  2. LaTex: tan^{-1}(2,4236)=1,1780
    • LaTex: 1,1780+\pi=4,3196

1234

Se Mads.

1230

forskydning
LaTex: -sin ( \frac{\pi}{4}-\frac{\pi}{6})-2=2,2588

1232

solve(cos(2*x)=-0.6142,x)
  • [x1=1.11608407]
  • [x2=4.25767673] (x1+pi)
  • [x4=2.02550858] -(x1-pi)
  • [x3=5.16710123] -(x1-2pi)

1242

  • solve(2/(tan(x)^2)-7/tan(x)+6=0,x)
  • [x=atan(1/2),x=atan(2/3)]
  • [x=0.46364760900080609,x=0.5880026035475675]
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