Find Your Lucky Number by FaceBook

Find Your Lucky Number by FaceBook
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Graphing the pair of parametric equations in mahematica

Graphing the pair of parametric equations in mahematica
Question: Plot the pair of parametric equations as t ranges from -10 to 10. Label the x-axis time and the y-axis temperature x = t + 2 Sin t, y = t + 2 Cos 5t
a. Find the exact roots of  f(x) = 3x4 - 15x3 + 18x2
b. Find the decimal values of these roots, listing the roots in table form.

Solution:

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Graphing two polar equation in same graph by mathematica graphics property

Graphing two polar equation in same graph by mathematica graphics property
Question2. Load the package Graphics`Graphics` if you have not already done so in this session of Mathematica. DO NOT load it more than once per session. Graph the polar expression on the same axes. Make the graph of the second equation blue and twice as thick as the red graph of the first equation r=Cos[x]Sin[x/Sqrt[2]] .  and r = -0.25 Cos[x].

Solution:
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