Evaluate cos(0)-sin(0)

$\cos (0) - \sin (0)$

Step 1

Simplify each term.

The exact value of $\cos (0)$ is $1$ .

$1 - \sin (0)$

The exact value of $\sin (0)$ is $0$ .

$1 - 0$

Multiply $- 1$ by $0$ .

$1 + 0$

$1 + 0$

Step 2

Add $1$ and $0$ .

$1$

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