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CBSE Class 11-science Answered

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
answered-by-expert Expert Answer
Equation of a line passing through a point (x1, y1) with slope m is given by
y-y1 = m(x - x1) where m = tan theta, theta being the angle which a line makes with the x-axis
Point space is space left parenthesis negative 2 comma space 1 right parenthesis space and space angle space is space 150 degree tan space 150 degree space equals space tan open parentheses 180 degree minus 30 degree close parentheses space equals space minus tan space 30 degree space equals space minus fraction numerator 1 over denominator square root of 3 end fraction The space equation space is straight y minus 1 equals negative fraction numerator 1 over denominator square root of 3 end fraction open square brackets straight x minus open parentheses negative 2 close parentheses close square brackets rightwards double arrow square root of 3 straight y minus square root of 3 equals negative straight x minus 2 rightwards double arrow straight x plus square root of 3 straight y minus square root of 3 plus 2 equals 0 space is space the space required space equation space of space straight space line
Answered by Renu Varma | 04 Sep, 2020, 01:06: 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
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CBSE 11-science - Maths
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Asked by shahyogini5 | 31 Mar, 2023, 04:48: PM
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CBSE 11-science - Maths
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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
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
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Asked by kumarisakshi0209 | 22 Aug, 2019, 08:11: PM
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CBSE 11-science - Maths
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Asked by kumarisakshi0209 | 21 Aug, 2019, 08:59: PM
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CBSE 11-science - Maths
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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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