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What acute angle does a line of slope -(...

What acute angle does a line of slope `-(2)/(3)` make with a vertical line ?

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The correct Answer is:
`cot^(-1)((2)/(3))`
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MODERN PUBLICATION-STRAIGHT LINES -OBJECTIVE TYPE QUESTIONS (D . Very short answer type questions)
  1. Find the equation of the bisectors of the angles between the coordinat...

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  2. Find the equation of the line passing through the point (2, 2) and inc...

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  3. Find the length of intercepts cuts on axes from the line x sin alpha+y...

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  4. Find the tangent of the angle between the lines whose intercepts on th...

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  5. If 3x-by+2=0 and 9x+3y+a=0 represent the same straight line, find the ...

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  6. Find the point of intersection of the line, x/3 - y/4 = 0 and x/2 + y/...

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  7. The length of the perpendicular form the point (b,a) to the line x/a-y...

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  8. Which of the st.lines 2x-y+3=0 and x-4y-7=0 is farther from the origin...

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  9. Find the transformed equation of the curve y^(2)-4x+4y+8=0 when the or...

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  10. Find the equation of the straight lines passing through the origin mak...

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  11. What acute angle does a line of slope -(2)/(3) make with a vertical li...

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  12. Find the angle between the st. Lines : (a+b)x+(a-b)y=2ab and (a-b)x+...

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  13. State whether the st.lines : x-y-1=0, 4x+3y=25 and 2x-3y+1=0 are con...

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  14. Statement 1 : The chord of contact of the circle x^2+y^2=1 w.r.t. the ...

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  15. Find the equation of the linepassing through the point (sqrt(2, 2 sqrt...

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  16. Find the equation of the line for which (i)p=3 and alpha=45^(@) (ii...

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  17. Reduce the equation x+2y=3 to the intercept form.

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  18. Find the equation of a line parallel to the line 3x-4y+2=0 and passing...

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  19. If the lines p1x+q1y=1+q2y=1 and p3x+q3y=1 be concurrent, show that th...

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  20. Two sides of a square lie on the lines x+y=1a n dx+y+2=0. What is its ...

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