Question

How do you solve this? ​

Answer 1

i have no idea.....

Explanation:

Answer 2

sin(5x)

Explanation:

Recall that the half angle identity relates the sine of half an angle to the square root of one minus the cosine of the angle as shown below:

`sin((\theta)/(2) )=+/-\sqrt{(1-cos(\theta))/(2) }`

therefore, in our case:

`sin(5\,x )=+/-\sqrt{(1-cos(10\,x))/(2) }`

so, make sure you type the expression : "sin(5x)" in the provided text-box.