Answer
$$\cos35^\circ=\cos(-35^\circ)$$
21 goes with G.
Work Step by Step
$$\cos35^\circ$$
Recall the negative-angle identities for cosines:
$$\cos(-\theta)=\cos\theta$$
Therefore, we can rewrite $\cos35^\circ$ as follows:
$$\cos35^\circ=\cos(-35^\circ)$$
Hence, we see that 21 is matched with G.
