Answer:
The answer is complementary ⇒ last answer
Explanation:
In any right triangle there are two acute angles sum of them is 90°
∵ The two angles will be complementary if there sum is 90°
∵ cosФ = sinβ
∵ cosФ = sin(90 - Ф)
∴ β = 90 - Ф
∴ β + Ф = 90
∴ β and Ф are complementary