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Trigonometric Ratios And Identities

TS EAMCET 2022 (Online) 18th July Evening Shift

MCQ+1 / -02022

If $A+B+C=\frac{3 \pi}{2}$, then $4 \sin A \sin B \sin C+\cos 2 A+\cos 2 B+\cos 2 C=$


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