Search any question & find its solution
Question:
Answered & Verified by Expert
If the line $\overrightarrow{\mathrm{OR}}$ makes angles $\theta_{1}, \theta_{2}, \theta_{3}$ with the planes XOY, YOZ, ZOX respectively, then $\cos ^{2} \theta_{1}+\cos ^{2} \theta_{2}+\cos ^{2} \theta_{3}$ is equal to
Options:
Solution:
1121 Upvotes
Verified Answer
The correct answer is:
1
If line $\overrightarrow{\text { OR }}$ makes angles $\theta_{1}, \theta_{2}, \theta_{3}$ with the planes XOY, YOZ, ZOX respectively, then $\cos ^{2} \theta_{1}+\cos ^{2} \theta_{2}+\cos ^{2} \theta_{3}=1$
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.