Question

The cosine of the complementary angle to 58°

Answer 1

cosine = 32 degrees

Explanation:

58+32 = 90

32 = 0.848 ≈ 0.85

Answer 2

Complementary angles add up to a right angle, or a sum of 90°.
So the complementary angle to 58 is:
90-58 = 32°
Now we are looking for the cosine (32°)
On your calculator type in COS (32) = 0.848