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X=a(cost+cos2t) & y=b(sint+sin2t). Find an equation without t.

Avijit Das , 6 Years ago
Grade 11
anser 1 Answers
Arun

Last Activity: 6 Years ago

Dear student
 
 
Add b²x² and a²y²
 
Hence
b² x²+a² y²  = a² b² + a²b² + 2a²b² cos t = 2a² b² (cos t +1)
 
Now
 
If x/y is find out
 
Then 
 
x/y = a(2cost -1) ( cost +1) / b(sint ) (2 cos t +1)
 
Here you can find out cos t +1
 
And then you can find the relation between x and y
 
 
Regards
Arun (askIITians forum expert)

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