How do I solve the following equations

Question:How do I solve the following equations

Posted: cassi 0

January 04 2012

Hello, everybody! I can`t solve these equations. Please, help me! Thanks...

x=a*sin(k*z)±W/2;

k=2π/λ, λ=10000, a=3000, W=500;

and

x=z*tan(θ)-d*cos(θ);

θ=π/6, d=0..100;

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