a) right triangles , triangles that contain a 90° angle.
b) adjacent side always makes up of θ (Theta) and the hypotenuse side
Example:
1)
Tangent 42° = O / A = x / 25 m
25 (.9004) = (x / 25) (25)
22.51 m = x
2)
Sine 35° = O / H = x / 18 m
18(.5736) = (x / 18)(18)
10.3248 m = x
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