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The sine of $1$ equals $\frac{69}{82}$
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$\cos\left(1\right)^3+\cos\left(1\right)\cdot \left(\frac{69}{82}\right)^2=0$
Learn how to solve equations problems step by step online. Solve the equation cos(1)^3+cos(1)sin(1)^2=0. The sine of 1 equals \frac{69}{82}. The cosine of 1 equals 0.540302. The cosine of 1 equals 0.540302. Factor the polynomial 0.540302^3+0.540302\left(\frac{69}{82}\right)^2 by it's greatest common factor (GCF): 0.540302.