KEAM 2019 Math Paper

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Question : 3 of 121

Marks: +1, -0

If x=sin‌t‌cos‌2‌t and y=cos‌t‌sin‌2‌t, then at t=‌

π

4

, value of ‌

dy

dx

is equal to

1
2
0
- 1
‌−
1
2
1

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