### Calculus of Trigonometry & Logarithms

Building blocks

Use the slider to change the value of $a$.
What happens to the base of the triangle when the function changes from $\sin x$ to $\sin 2x$?
The tangent to $\sin x$ and the tangent to $\sin 2x$ are drawn from two points with different $x$ coordinates. What is the relationship between these $x$ values?