Write the expression as one involving only sin x and cos x.

sin 2x + COS X

[?]x(2 sin x + [?])

fill in the [?]

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Can someone me with my math problem pls my teacher is on my back about this

If a=0.333333 and b=0.55555, what is the value of a+b