Prove that 1+cosa/sina + sina/1+cosa=2coseca

What is the graph of the function fx x+2/x-3?

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?

Grace paid $1.70 for 5 ounces of candy. how much did she pay for 24 ounces?