Use differentials $($or equivalently, a linear approximation$)$ to approximate sin$(27)$ as follows: Let f$($x$)=$sin$($x$)$ and find the equation of the tangent line to at a \"nice\" point near $27$ deg

$.$ Then use this to approximate sin $(27$deg$)$ $.$

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To find the equation of the tangent line to the graph of fx sinx at a nice point near 27 de... View the full answer