A right triangle has side lengths 5, 12, and 13 as shown below. Use these lengths to find cos A, tan A, and sin A.
cos A =
]
UU
Х
12
13
tan A =
B
sin A =
5

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample