Answer:
732
Step-by-step explanation:
sqrt(1 - 36/49) = +root(13)/7
sin^2t + cos^2t is identical to 1 for all t.
(6/7)^2 + cos^2t = 1
1 - 36/49 = cos^2t
hence plus/miuns sqrt(1 - 36/49) = cos(t)
since t is acute, the answer must be positive.
$119.79
im like 95% sure this is right
