Find an equation for the line tangent to the curve at the point defined by the given value oft. Also, find the value of - at this point. x=t- sin t, y= 1– 2 cos t, t= 3 Write the equation of the tangent line. y =x+ (O (Type exact answers, using a as needed.) What is the value of at this point? dy (Type an integer or a simplified fraction.) 2 dx

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