UPSC NDA Math Model Paper 1

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Question : 39 of 120

Marks: +1, -0

Solve:

dy

dx

‌cos(x−y)=1

tan(
x−y
2
)=y+c
cot(
y−x
2
)=y+c
−sin(x−y)=y+c
cot(
x−y
2
)=y+c

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