Find the Value Using the Unit Circle f(-7)

$f (- 7)$

Step 1

Move $- 7$ to the left of $f$ .

$\cos (- 7 f)$

Step 2

Move $- 7$ to the left of $f$ .

$\sin (- 7 f)$

Step 3

Set up the coordinates $(\cos (θ), \sin (θ))$ .

$(\cos (- 7 f), \sin (- 7 f))$

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