Teaching HSSC TGT 2023 Mock Test (Latest Pattern) Mathematics Three Dimensional Geometry Angle with Planes
तल x + 2y + z = 7 और 2x – y + z = 13 के बीच का कोण ज्ञात कीजिए।
1
\(\theta = {\cos ^{ - 1}}\left( {\frac{1}{6}} \right)\)
2
\(\theta = {\cos ^{ - 1}}\left( {\frac{1}{3}} \right)\)
3
\(\theta = {\cos ^{ - 1}}\left( {\frac{2}{3}} \right)\)
4
\(\theta = {\cos ^{ - 1}}\left( {\frac{3}{4}} \right)\)
5
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