Question

The equation of the straight, line passing through origin and inclined at angle 45° to the line
y = 2x + 7 is​

Answer 1

Answer:

i hope it is helpful for you

Answer 2

Step-by-step explanation:

Let y=mx+c be the equation then,

we know that when angle between two line is θ, then

tanθ=

1+m

1

m

2

m

1

−m

2

tan45°=

1+m⋅2

m−2

⇒m−2=2m+1

⇒m=−3

∴y=−3x+c passes through (1,2)

∴c=2+3=5

∴y+3x=5 is the equation.