Answer:
28°
Step-by-step explanation:
Method 1
tan∅ = ( Opposite ÷ Adjacent )
∅ = tan∧-1 ( 8 ÷ 15)
∅ = 28°
Method 2
cos∅ = ( Adjacent ÷ Hypotenuse )
∅ = cos∧-1 ( 15 ÷ 17 )
I hope this helps you :)
