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The sine of $\frac{1}{2}$ equals
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$\frac{2\cos\left(\frac{1}{2}\right)\cos\left(\frac{1}{2}\right)\left(a+b\right)\left(a-b\right)}{-2\cdot 0.4794255\sin\left(\frac{1}{2}\right)\left(a+b\right)\left(a-b\right)}$
Learn how to solve simplification of algebraic expressions problems step by step online. Simplify the expression (2cos(1/2)(a+b)cos(1/2)(a-b))/(-2sin(1/2)(a+b)sin(1/2)(a-b)). The sine of \frac{1}{2} equals . The sine of \frac{1}{2} equals . Multiply -2 times 0.4794255. Multiply -0.958851 times 0.4794255.