Question

The Double-angle Formula for the sine function is$\sin \left(2\theta \right)=\_\_\_\_\_\_\_$.

Short answer

The Double-angle Formula for the sine function is$\sin \left(2\theta \right)=\underline{2\sin \theta \cos \theta }$.

Step-by-step solution

Step 1. Given information

The incomplete statement is "

The Double-angle Formula for the sine function is$\sin \left(2\theta \right)=\_\_\_\_\_\_$"

Step 2. Fill in the blank.

The double-angle formula for the sine function is defined as$\sin \left(2\theta \right)=\underline{2\sin \theta \cos \theta }$.