1 Answer

MockerTim · Answer 1 · 2023-06-27T02:24:33+0000

The given expression is:

$\sin (-t)-\sin t$

Recall the definition of an odd function:

Since the sine function is an odd function, it follows that:

$\sin (-t)=-\sin t$

Substitute this into the given expression:

$\sin (-t)-\sin t=-\sin t-\sin t$

Simplify the expression:

$-2\sin t$

Substitute sin t =a into the expression:

$\begin{gathered} -2(a) \\ =-2a \end{gathered}$

Hence, the expression in terms of a is -2a.

The answer is -2a.

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