Question

I need help with these questions. Thanks!​

Answer 1

1. 47.27°
2. 44.22°

Explanation:

Q1)

The relevant trig relation is ...

Cos = Adjacent/Hypotenuse

cos(x) = 57/84

The inverse function is used to find the angle.

x = arccos(57/84)

x ≈ 47.27°

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Q2)

The relevant trig relation is ...

Sin = Opposite/Hypotenuse

sin(x) = 53/76

The inverse function is used to find the angle.

x = arcsin(53/76)

x ≈ 44.22°