Write the trigonometric expression in terms of sine and cosine, and then simplify.

csc2 x - cot2 x

Eleven computer science students stand in line at the student service. The three students are called Nikola. How many ways can they line up so that neither Nikola can stand together?

A manufacturer finds that the revenue generated by selling x units of a certain commodity is given by the function R (x) = 60x - 0.2x2, where the revenue R (x) is measured in dollars.

A football team game 9 yards in one place and loss 22 yards on the next right of some of integers to find overall change in the field position explain your answer

Which linear relationship can be described as a function with direct variation?

1.) On a piece of paper, use a protractor to construct a triangle with angle measures of 50° and 70º. What is the measure of the third angle? 60° 80° 100° 180° 2.

Carla has a credit card that uses the average daily balance method. For the first 15 days of a 31-day billing cycle, her balance was $2560, but then she paid off her entire balance and didn't make any new purchases.

The expression x^2 + x + b is a perfect square trinomial. What is the value of b?

Solve the equation by factoring: 3x^2 + 22x - 16 = 0

If a 10 foot piece of electrical tape has 0.037 feet cut from it, then what is the new length of the tape?

Josue has to solve the equation - 4x+8=2x+10. He notices he can first divide every term by factor of 2 to make the equation easier to solve. Using Josue's strategy, which equation will result?