Question

x=a cos 0, y = b cos 0
dy/dx =​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

b/a

Step-by-step explanation:

x=a cosФ,

dx/dФ=-a sinФ

y = b cosФ

dy/dФ=-bsinФ

Thus

dy/dx=dy/dФ/dx/dФ

=--bsinФ/-asinФ

=b/a