Use the properties of the trigonometric functions to find the exact value of the expression. Do not use a calculator.tan 55° cot 55°
A. 55
B. 1
C. 0
D. -1
Answer: B
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Provide an appropriate response.You have two numbers made up of the digits 9, 8, 7, 5, 3, where each digit is used only once. One of the numbers has 3 digits and the other has 2 digits. What is the greatest product you can get and what are the corresponding numbers?
Fill in the blank(s) with the appropriate word(s).
Use the discriminant to determine whether the equation has two rational solutions, one rational solution, two irrational solutions, or two nonreal complex solutions. Do not actually solve.s2 - 2s - 8 = 0
A. Two nonreal complex solutions B. Two rational solutions C. One rational solution D. Two irrational solutions
Solve. Remember to insert units when writing your answer.A carton of phones weighs 44 lb 6 oz. Of this, 2 lb 15 oz is due to packaging. Find the weight of the phones in 
A. 536 lb 3 oz B. 576 lb 14 oz C. 578 lb 6 oz D. 538 lb 11 oz
Simplify each side of the equation, if possible. Then solve the equation.15x = -6 + 14x
A. -5 B. -6 C. 8 D. 6