Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
MediumThe value of $\sin^{2} 51^{\circ} + \sin^{2} 39^{\circ}$ is
- A$1$
- B$0$
- C$\sin 12^{\circ}$
- D$\cos 12^{\circ}$
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