Answer:
draw agraph and find the gradient
Step-by-step explanation:
B
For cartesian to polar transformation,
x = rcosA , y = rsinA.
Put in the values in the given equation. And (cosA)^2 - (sinA)^2 = cos(2A)
<em>Answer:</em>
<em>8:6</em>
<em>Hope it helped. :)</em>
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