Which, if any, of the following is incorrect a. sin A = 29/21
b. cos A = 20/29
c. tan A = 21/20
d. all of the above are correct

(picture included) (please help, i need to pass this to pass my class)

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)