Question

Find the value of k so that kx + 5y = 10 makes an angle of 30° with y-axis. Coordinate Geo
etry
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Answer 1

Answer:

kx+5y=10

y=-kx/5+2. ---------(1)

now, angle from xaxis is 90-30=60°

therefore,slope=m=tan60°=√3

y=√3x+c. ------------(2)

both 1 and 2 represent same line

-k/5=√3

therefore, k=-5√3

Step-by-step explanation:

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