Thread: Find equations...

that are tangent and normal to the graph of

y = sin x + 3
at x = pie

How do I do this? I am not sure with trig functions.

Originally Posted by Morgan82

that are tangent and normal to the graph of

y = sin x + 3
at pie

How do I do this? I am not sure with trig functions.

Take the derivative to get . Plug in to get that the slope of the tangent line is . You are looking for a line with slope that goes through the point .

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