If tan theta=3/4 and theta is an acute angle, find cos theta
SOHCAHTOA for reference
Tan(theta) = 3/4
opposite/adjacent = 3/4
That means the opposite side is 3 and the adjacent side is 4
Using the Pythagorean Theorem
c = sqrt(3^2 + 4^2)
c = 5
cosine(theta): adjacent/hypotenuse
cosine(theta): 4/5
-Vinculum
