defence exam SSB Head Constable (Communication) 2023 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If x sin3 θ + y cos3 θ = sin θ cos θ and x sin θ - y cos θ = 0, for every \(\theta \in\left(0, \frac{\pi}{2}\right) \), then what is x2 + y2 equal to ?
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0
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1
3
2
4
3