______________ \/ sin(2*x) + 1
sqrt(sin(2*x) + 1)
Let .
Apply the power rule: goes to
Then, apply the chain rule. Multiply by :
Differentiate term by term:
Let .
The derivative of sine is cosine:
Then, apply the chain rule. Multiply by :
The derivative of a constant times a function is the constant times the derivative of the function.
Apply the power rule: goes to
So, the result is:
The result of the chain rule is:
The derivative of the constant is zero.
The result is:
The result of the chain rule is:
Now simplify:
The answer is:
cos(2*x) ---------------- ______________ \/ sin(2*x) + 1
/ 2 \
| cos (2*x) |
-|2*sin(2*x) + ------------|
\ 1 + sin(2*x)/
-----------------------------
______________
\/ 1 + sin(2*x)
/ 2 \
| 3*cos (2*x) 6*sin(2*x) |
|-4 + --------------- + ------------|*cos(2*x)
| 2 1 + sin(2*x)|
\ (1 + sin(2*x)) /
----------------------------------------------
______________
\/ 1 + sin(2*x)