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Find the equations of the tangent to the...

Find the equations of the tangent to the curve `y=cos(x+y)` which is parallel to the line `x+2y=0`.

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The correct Answer is:
`x+2y=(4k+1)(pi)/(2), k in Z`.
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KUMAR PRAKASHAN-APPLICATION OF DERIVATIVES -PRACTICE WORK
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  4. Find the points on the curve x^(2)y^(2)+xy=2 at which the slope of the...

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  5. The slope of the tangent to the curve xy+ax+by=2 at a point (1, 1) the...

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  6. Prove that all points on the curve y^(2)=4a[x+a sin((x)/(a))] at which...

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  7. Find the equation of the normal to the curve y=(1+x)^(y)+sin^(-1)(sin^...

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  8. If the curves (x^(2))/(a^(2))+(y^(2))/(4)=1 and y^(3)=16x intersect at...

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  9. Find the equations of the tangents drawn to the curve y^(2)-2x^(3)-4y+...

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  10. Find the approximate value of each of the following : sqrt(399)

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  13. Find the approximate value of each of the following : cos 29^(@)

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  14. Find the approximate value of each of the following : tan 31^(@)

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  16. Find the approximate value of each of the following : (15.5)^((1)...

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  17. Using differentials, find the approximate value of each of the up to 3...

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  18. Find the approximate value of each of the following : (65)^((1)/(...

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  19. Find the approximate value of each of the following : log(e )(10....

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  20. If f(x)=2x^(2)-3x+5 then find the approximate value of f(1.05).

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