Find at least three nonzero terms [including a0, at least two cosine terms (if they are not all zero) and at least two sine terms (if they are not all zero)] of the Fourier series for the given function.f(x) = 
A. f(x) = 
- 
+ 
(sin x - sin 2x + . . . )
B. f(x) = 
- 
+ 
(sin x - sin 2x + . . .)
C. f(x) = 
+ 
+ 
(3 sin x - sin 2x + . . .)
D. f(x) = 
- 
+ 
(3 sin x - sin 2x + . . .)
Answer: D
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A. 0.7264 B. 1.3766 C. 0.4900 D. 3.0920
Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Rewrite the given expression using an appropriate variable. Use the first letter of the given word as the variable.(Height) - 2
A. H÷ 2 B. H? 2 C. H- 2 D. H+ 2
Determine all possible rational solutions of the polynomial equation.f(x) = 6x3 + 24x2 + 2x - 3
A. ±1, ±3, ± 
B. ±1, ± 
, ±3, ± 
, ± 
C. ±1, ± 
, ±3, ± 
, ± 
, ± 
D. ±1, ± 
, ±2, ± 
, ±3, ±6