Teaching AP DSC School Assistant 2025 Mock Test Series Mathematics Trigonometry Trigonometric Functions
अगर \(x\sin \theta = y\sin \left( {\theta + \frac{{2\pi }}{3}} \right) = z\sin \left( {\theta + \frac{{4\pi }}{3}} \right)\) तो xy + yz + zx किसके बराबर है?
1
1
2
\(\frac{1}{2}\)
3
0
4
इनमें से कोई नहीं