#1**+3 **

Cosine is adjacent/hypotenuse you are given opposite and adjacent....

you can find the tan of the angle and then find the cosine of that angle...or calculate the hypotenuse with pythag theorem

hyp^2 = 75^2 +50^2 hyp = 90.139

then cos = adj/hyp = 75/90.138 = .83

ElectricPavlov Apr 24, 2019