CUSAT 2021 BTech Solved Paper Shift 3

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Question : 220 of 250

Marks: +1, -0

Let x= secθ−cos‌θ and y= sec2θ−cos2θ. Then (‌

dy

dx

)2=

‌
4(y2−4)
x2+4
‌
4(y2+4)
x2+4
‌
4(y2−4)
x2−4
‌
4(y2+4)
x2−4

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