Question

1. Find the acute angle between the pair of lines represented by the following equations.
(1) y^2-xy-6x^2=0
(2)(xcos alpha- ysin alpha)^2= (x^2 +y^2) sin^2 alpha
(3) x^2 +2xy cot alpha-y^2 =0
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Answer 1

Answer:

sorry dear I don't know the answer... sorry

Step-by-step explanation:

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