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What is the simplest equivalent trigonometric expression for csc^2 A - 1/cot A csc A?

For csc^2 A-1/cot A csc A, what is the simplest equivalent trig expression? The answers I have to choose from are sin A, cosA, tan A or csc A, but I don't know how?? csc theta= 1/sin theta but its ^2. Help please I don't even no where to begin

If sin theta= -7/8, then the value of 1/cot theta in the interval 3pi/2<theta is? okay I've done this question twice. The 1st time I got -7/sqrt15 and the next time got sqrt15/7. Are either of these right or am I totally messed??? I've got myself confused...

resources are being used up at a faster rate than they can be replaced

Water is pulled up from a well in a bucket on a rope the winds on a cylindrical drum 15cm in diameter it takes 28turns of the drum to pull the bucket up from the bottom of well how deep is the well? Use the value 22 over for radius

Zaidi drove 9.8 kilometers on Monday and 7.39 kilometers on Tuesday. What is the total number of kilometers she drove.

Sharlise bought a commuter pass and after riding 3 days to and from scool the pass is worth $22.40. After 6 days of riding to and from school the pass is worth $12.80. Rosa pays $50 for an unlimited rides monthly pass lasting 30 days? Can the monthly cost...

The table of values shows the number of touchdown passes that a quarterback threw in each of his first five football games of the season. Game vs. Touchdown Passes Game Touchdown passes 1 3 2 1 3 3 4 2 5 3 Which would be a point on the scatterplot that re...

What do they mean by create a plan that includes a comprehensive discussion of the issues covered in this course that are most applicable to your geographic area

$145 was incorrect. Thanks for nothing Stephen, damn.

2,5

ayo thank you u very much helpful.