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The sine of $45$ equals
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$ab\left(\frac{\left(\sin\left(s45\right)+\cos\left(45\right)\right)\cdot 1}{x-1}- \left(\cos\left(45\right)-\frac{\sqrt{2}}{2}\right)\left(x^2-2x+1\right)\right)$
Learn how to solve simplification of algebraic expressions problems step by step online. Simplify the expression ab(((sin(s45)+cos(45))1)/(x-1)-(x^2-2x+1)(cos(45)-sin(45))). The sine of 45 equals . Multiply -1 times \frac{\sqrt{2}}{2}. The cosine of 45 equals . The cosine of 45 equals .