Verify the identity. sin (x + y) - sin (x - y) = 2 cos x sin y

i need so much help with this please answer quick!!

Which statement about the relative areas of ? abc and ? xyz is true? the area of ? abc > the area of ? xyz the area of ? abc < the area of ? xyz the area of ? abc = the area of ? xyz more information is needed to compare.

100 points, hi, i’m not sure how to get the equation from the graph and table.

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?