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Trigonometric Ratios And Identities

TS EAMCET 2020 (Online) 11th September Morning Shift

MCQ+1 / -02020

If $\alpha=\frac{\sin ^3 x}{\cos ^2 x}, \beta=\frac{\cos ^3 x}{\sin ^2 x}$ and $\sin x+\cos x=k$, then $\alpha \sin x+\beta \cos x+3=$


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