# If (cos x)y=(sin y)x then dy/dx=

1.  (log sin y+y tanx)/(log cos x-x cot y)

2.  (log sin y-y tanx)/(log cos x+ cot y)

3.  log sin y/log cos x

4.  log cos x/log sin y

4

(log sin y+y tanx)/(log cos x-x cot y)

Explanation :
No Explanation available for this question

1.

2.

3.

4.  none

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Explanation :
No Explanation available for this question

# If then dy/dx=

1.  1/y

2.  1/x

3.  1/2x-1

4.  1/2y-1

4

1/2y-1

Explanation :
No Explanation available for this question

# If then dy/dx=

1.  cos x/y-1

2.  cos y/x-1

3.  cos x/2y-1

4.  cos y/2x-1

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cos x/2y-1

Explanation :
No Explanation available for this question

# If then dy/dx=

1.  y2/x(1+y log x)

2.  y2/x(1-log y)

3.  y/x(1+y log x)

4.  y/x(1-log x)

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y2/x(1-log y)

Explanation :
No Explanation available for this question

# If ,then dy/dx=

1.  y2/sin x(1-log y)

2.  y2sin x/(1-log y)

3.  y2cot x/1-log y

4.  y2tan x/(1-log y)

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y2cot x/1-log y

Explanation :
No Explanation available for this question

# If ,then dy/dx=

1.  y

2.  1/y

3.  1/1-y

4.  y/1-y

4

y/1-y

Explanation :
No Explanation available for this question

# If y=x+1/(x+1/x+....∞) then dy/dx=

1.  y/2y-x

2.  y/x+2y

3.  y/x-2y

4.  y

4

y/2y-x

Explanation :
No Explanation available for this question

# If ,then dy/dx=

1.  –y2/x(2-ylog x)

2.  –y2/(2+ylog x)

3.  y2/(2-ylog x)

4.  y2/x(2-ylog x)

4

y2/x(2-ylog x)

Explanation :
No Explanation available for this question

# If ,then dy/dx=

1.  y2log y/x(1-y log x log y)

2.  log y/1-y log x

3.  log x/1+y log y

4.  none

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