Find the exact value of the following expression, if possible. Do not use a calculator.
sin

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

The heaviest 16% of all men in weight weigh more than how many pounds ?

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais