Teaching RPSC School Lecturer Mock Test Series 2024 Mathematics Three Dimensional Geometry Direction ratios and Direction cosines
\(\left({si{n^2}45^\circ - {{\sin }^2}15^\circ} \right)\) का मान क्या है?
1
\(\frac{{\sqrt 3 }}{2}\)
2
\(\frac{1}{2}\)
3
1
4
\(\frac{{\sqrt 3}}{4}\)
5
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