WeBWorK Standalone Renderer

Fill in the blanks:

1. If $\tan x = -2.5$ then $\tan (-x)$ =

2. If $\sin x = 0.6$ then $\sin (-x)$ =

3. If $\cos x = 0.2$ then $\cos (-x)$ =

4. If $\tan x = 2.5$ then $\tan (\pi+x)$ =

You can earn partial credit on this problem.