Multiply and simplify.(cos ? + sec ?) (cos2? + sec2 ? - 1)
A. cos3 ? - sec3 ?
B. cos3 ? + sec3 ? + cos ? - sec ?
C. cos3 ? + sec3 ? - 2 sec ?
D. cos3 ? + sec3 ?
Answer: D
You might also like to view...
Solve the problem.Frank can type a report in 6 hr. James can type it in 5 hr . How long will it take the two of them working together?
A. 30 hr
B. 2
hr
C. 
hr
D. 
hr
Evaluate the expression.
A. 8 B. 19 C. 45 D. 90
Tell whether the expression is a polynomial. If it is, give its degree.6x2 - 
A. Polynomial; degree -1 B. Polynomial; degree 1 C. Polynomial; degree 2 D. Not a polynomial
Solve the application by adding or subtracting appropriately. Answer with a complete sentence.Mr. Bertini took a plane trip for a total of src="https://sciemce.com/media/4/ppg__ttt0702190955__f1q195g5.jpg" alt="" style="vertical-align: -4.0px;" /> hours. What was the total time spent traveling?
A. The total time spent traveling was 7.50 hr.
B. The total time spent traveling was 8.30 hr
C. The total time spent traveling was 8.50 hr.
D. The total time spent traveling was 11.30 hr.
hours. He watched an 
movie for 
hours. From the airport, he took a cab ride for 
hour to the train station. Next, he took the train home for