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The sine of $47$ equals $0.731354$
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$0.731354+\sin\left(61\right)-\sin\left(11\right)-\sin\left(25\right)=\cos\left(7\right)$
Learn how to solve sum rule of differentiation problems step by step online. Solve the equation sin(47)+sin(61)-sin(11)-sin(25)=cos(7). The sine of 47 equals 0.731354. The sine of 61 equals 0.87462. The sine of 11 equals \frac{54}{283}. The sine of 25 equals \frac{71}{168}.