Simplify the expression.(1 + cot ?)(1 - cot ?) - csc2 ?
A. 2
B. 0
C. 2 cot2 ?
D. -2 cot2 ?
Answer: D
You might also like to view...
Solve the inequality and graph the solution.
? 6
A. n > 18
B. n ? 18
C. n < 18
D. n ? 18
Provide an appropriate response.Solve the equation by using quadratic formula: 3x2 + 5x - 7 = 0
What will be an ideal response?
Provide an appropriate response.Find the complement of a 55° angle.
A. 215° B. 35° C. 125° D. 305°
Solve the problem.A political mailing will have several pages on the economy, the military, and the environment. The total number of these pages in the booklet should be less than 100. For the target group that will receive the booklet, market research suggests that there will be a positive impact proportional to 5 times the number of pages on the economy, a positive impact proportional to 2 times the number of pages on the military, and a negative impact proportional to -4 times the number of pages on the environment. The candidate, however, insists that the number of pages on the environment exceed the number on the military by at least 5 and that the number of pages on the economy also exceed the number on the military by at least 5. Find the number of pages that should be devoted to
the economy, the military, and the environment. A. 30, 30, 30 B. 44, 25, 30 C. 10, 55, 16 D. 10, 30, 59