Class 12 Three Dimensional Geometry · Mcq Single Correct1 Marksdirection_cosines
Class 12 Maths · Three Dimensional Geometry · Mcq Single Correct #9
Find direction cosines for angles 90°,135°,45° with the positive axes.
✅ Step-by-Step Solution
Final Answer: Option (A): (0,−1/√2,1/√2)
- Take the cosine of each stated angle.
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