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CBSE Class 11-science Answered

find the equation of a line passing through the origin and making an angle of 120 degree with the positive direction of the x-axis
Asked by nakulashish47 | 24 Sep, 2015, 11:26: AM
answered-by-expert Expert Answer
E q u a t i o n space o f space a n y space l i n e space p a s sin g space t h r o u g h space o r i g i n space c a n space b e space w r i t t e n space a s y equals m x comma space w h e r e space apostrophe m apostrophe space i s space t h e space s l o p e space o f space t h e space s t r a i g h t space l i n e. G i v e n space t h a t space t h e space l i n e space m a k e s space a n space a n g l e space o f space 120 to the power of o space w i t h space p o s i t i v e space d i r e c t i o n space o f space X minus a x i s. H e n c e comma space s l o p e space o f space t h e space s t r a i g h t space l i n e space i s space tan 120 to the power of o equals negative square root of 3. H e n c e comma space e q u a t i o n space o f space t h e space l i n e space i s space y equals negative square root of 3 x
Answered by satyajit samal | 24 Sep, 2015, 12:07: PM

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CBSE 11-science - Maths
If A(2,-3) B(-1,4) and C(5,-2) are vertices of triangle. Find the equation of a median through vertex 'B'
Asked by raistar7042 | 02 Dec, 2023, 01:22: PM
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CBSE 11-science - Maths
find the equation to lines parallel to the x_axis and at a distance of [a] 7
Asked by priteshpatidar2525 | 17 Oct, 2023, 05:43: PM
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CBSE 11-science - Maths
The line 5x+3y-4=0 and 3x+8y+13=0 contain two of altitude of ∆ABC.Find coordinate of B and C vertex A has coordinate (-4,-5)
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Asked by shahyogini5 | 31 Mar, 2023, 04:48: PM
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CBSE 11-science - Maths
Write the equation of a line parallel to x-2y=4 and passing through the point (1,-2)
Asked by rekhavarma359 | 30 Apr, 2022, 03:00: PM
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CBSE 11-science - Maths
find the equation of a straight line passing through the point of intersection of lines 2x+3y+7=0 and 3x-4y-15=0 and is parallel to the line
Asked by prachifauzdar1 | 04 Jan, 2021, 12:18: PM
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CBSE 11-science - Maths
find the equations of the straight line which make the following angles with the positive x axis in the positive direction and which passes through the points 150 degrees and -2 comments 1
Asked by Jayanthib615 | 31 Aug, 2020, 03:18: PM
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CBSE 11-science - Maths
Find the equation to the straight line cutting of intercept 3 and 2 from the axis
Asked by kumarisakshi0209 | 22 Aug, 2019, 08:11: PM
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CBSE 11-science - Maths
Find the equation to the straight line cutting of an intercept 2 from the negative direction of the Y axis and inclined at 30 degree to the X axis
Asked by kumarisakshi0209 | 21 Aug, 2019, 08:59: PM
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CBSE 11-science - Maths
By using concept  of equation of a line proove that the three points (3,0)(-2,-2)(8,2)are collinear
Asked by khushipattidar595 | 05 Nov, 2018, 08:48: AM
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CBSE 11-science - Maths
6th sum plz Plz answer questions fastly.u take so much time
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Asked by lovemaan5500 | 07 Oct, 2018, 12:16: PM
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