Write the expression in terms of sines and/or cosines, and then simplify.cot x sin x - tan x cos x
A. 
B. 
C. 
D. cos x - sin x
Answer: D
Mathematics
You might also like to view...
Write the quotient in the standard form.
A. 
- 
i
B. 
- 
i
C. 
+ 
i
D. 
+ 
i
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. -15
B. 25
C. -25
D. 15
Mathematics
Use FOIL to multiply.(4x + 6)(4x + 6)
A. 16x2 + 48x + 36 B. 4x2 + 48x + 47 C. 16x2 + 36x + 48 D. 4x2 + 47x + 36
Mathematics
Decide if the given value of x is a critical number for f, and if so, decide whether the point is a relative minimum, relative maximum, or neither.f(x) = (x + 5)4; x = -5
A. Critical number but not an extreme point B. Critical number; relative maximum at (-5, 0) C. Not a critical number D. Critical number; relative minimum at (-5, 0)
Mathematics