Will mark ! Math help!

The product of sin 30 degrees and sin 60 degrees is same as the product of

Jane is cooking beans and rice for dinner tonight. she has 4 cans of black beans, 6 cans of red beans, and 3 cans of garbanzo beans in her cupboard. if she grabs a can of beans without looking at the label, what is the probability of her making black beans and rice for dinner?

What is the distance between (5 - 2i) and (8 + i)?