Use the fundamental identities to simplify the expression.
+ sec ? cos ?
A. 1
B. csc2?
C. tan2?
D. sec2?
Answer: D
Mathematics
You might also like to view...
Find the point(s) at which the given function equals its average value on the given interval.f(x) = 3 - x2; [-4, 5]
A. ±
B. ±3
C. 
D. ±
Mathematics
Graph the equation by plotting points.y = 
A. 
B. 
C. 
D. 
Mathematics
Graph the function.f(x) = x - 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Ray's gross pay is $320.40 a week. $46 is withheld for federal income tax, $24.06 for FICA tax, and $11.21 for other deductions. How much of his pay is left?
A. $81.27 B. $239.13 C. $401.67 D. $229.13
Mathematics