Calculus Examples

Find the Tangent Line at (2π,0) y=sin(sin(x)) , (2pi,0)
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Step 1
Find the first derivative and evaluate at and to find the slope of the tangent line.
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Step 1.1
Differentiate using the chain rule, which states that is where and .
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Step 1.1.1
To apply the Chain Rule, set as .
Step 1.1.2
The derivative of with respect to is .
Step 1.1.3
Replace all occurrences of with .
Step 1.2
The derivative of with respect to is .
Step 1.3
Reorder the factors of .
Step 1.4
Evaluate the derivative at .
Step 1.5
Simplify.
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Step 1.5.1
Subtract full rotations of until the angle is greater than or equal to and less than .
Step 1.5.2
The exact value of is .
Step 1.5.3
Multiply by .
Step 1.5.4
Subtract full rotations of until the angle is greater than or equal to and less than .
Step 1.5.5
The exact value of is .
Step 1.5.6
The exact value of is .
Step 2
Plug the slope and point values into the point-slope formula and solve for .
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Step 2.1
Use the slope and a given point to substitute for and in the point-slope form , which is derived from the slope equation .
Step 2.2
Simplify the equation and keep it in point-slope form.
Step 2.3
Solve for .
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Step 2.3.1
Add and .
Step 2.3.2
Multiply by .
Step 3