Factor and simplify the expression.
A. sin x + cos x
B. csc x tan x
C. 1
D. csc2x + tan2x
Answer: C
You might also like to view...
Find the surface area or volume.Use numerical integration with a programmable calculator or a CAS to find, to two decimal places, the area of the surface generated by revolving the curve 
about the x-axis.
A. 14.42 B. 1.48 C. 9.29 D. 7.21
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Solve the problem.Suicide rates for children and teenagers are listed in the table below for various years. 
Let S = f(t) represent the suicide rate for children at t years since 1982.i) Find an equation for f following a square root model.ii) Find f(5). What does your result mean in terms of the situation?iii) Find t when f(t) = 5. What does your result mean in terms of the situation?iv) Find the S-intercept. What does your result mean in terms of the situation?
What will be an ideal response?
Multiply.
2
A. 81x2 - 
B. 81x2 - 
x - 
C. 
x2 - 2x + 81
D. 
x2 + 2x - 81