JEE Math Practice Question
If the chord y = mx + 1 of the circle $${x^2}\, + \,{y^2} = 1$$ subtends an angle of measure $${45^ \circ }$$ at the major segment of the circle then value of m is :
- A.$$2\, \pm \,\sqrt 2 \,\,$$
- B.$$ - \,2\, \pm \,\sqrt 2 \,$$
- C.$$- 1\, \pm \,\sqrt 2 \,\,$$
- D.none of these
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