Verify the identity. $\sin$ x $\csc$(-x) = -1

Describe the difference between an equation and an identity.

Is there an identity for multiplication of integers? If so, what is it?

Is $\cot A=\frac{(\csc A)}{(\sec A)}$ an identity?

Is $\sin x=\frac{1}{\csc x}$ an identity?

Is $\tan x=\frac{(\sec x)}{(\csc x)}$ an identity?

Complete the sum or difference identity.

$\sin (x-y)=$ ________

Verify the identity. $\sinh x+\cosh x=e^{x}$

Verify the identity

$$\sinh x+\cosh x=e^{x}$$

Prove the identity.

$$\cosh x-\sinh x=e^{-x}$$

Prove the given trigonometric identity.

$$\sin (A+B)$$

Verify the identity in (23) by termwise differentiation.

Prove the identity $\sin(\pi - x) = \sin x$.

Prove the identity.

$$\cosh x+\sinh x=e^x$$