Mathematics · Straight Lines
The slope of a line L passing through the point (-2, -3) is not defined. If the angle between the line L and the line ax - 2y + 3 = 0 (where a > 0) is 45°, then the inclination angle made by the line x + ay - 4 = 0 with the positive X-axis in the anticlockwise direction is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1tan-1(12)
- 22π3
- 3π3
- 4π - tan-1(12)✓
Correct answer
π - tan-1(12)
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