Given the following information for a right triangle: Side a=12, side b=9, side c=15
a. Write the ratio for COS(A).
b. Write the ratio for TAN(A).
The hypotenuse is side c = 15.
The value of cos(A) is its adjacent length divided by the hypotenuse: cos(A) = 9/15 = 0.6000
the value of tan(A) is its opposite length divided by its adjacent length: tan(A) = 12/9 = 1.3333
