Question
Download Solution PDFIf x = et cost and y = et sint, then what is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCONCEPT:
Parametric Differentiation:
If x = f(t), y = g(t), where t is a parameter, then
CALCULATION:
Given: x = et cost and y = et sint
First let's find out dx/dt
⇒
Now let's find out dy/dt
⇒
⇒
⇒
Hence, correct option is 2.
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