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A line which makes an acute angle theta ...

A line which makes an acute angle `theta` with the positive direction of the x-axis is drawn through the point `P(3,4)` to meet the line `x=6` at `R` and `y=8` at `Sdot` Then, (a) `P R=3sectheta` (b)`P S=4cos e ctheta` (c)`P R=+P S=(2(3sintheta+4costheta_)/(sin2theta)` (d)`9/((P R)^2)+(16)/((P S)^2)=1`

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