Trigonometry Worksheet Page 4
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2
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4Calculus Maximus
WS P.7: Trig
_____ 10. If
f x
4sin
x
6cos 2
x
, then
f
equals what?.
6
(A) 6 3
(B) 7 3
(C) 5 3
(D) 6
(E) 7
(F) 5
?
_____ 11. Which of the following is the range of
f x
( ) 2cos 4
x
1
(A)
3,1
(B)
3,1
(C)
1, 4
(D)
1, 4
(E)
,
_____ 12. 4cos
x
3
(A) 2 3 cos
x
2sin
x
(B) 2cos
x
2 3 sin
x
(C) 2cos
x
2 3 sin
x
x
(D) 2 3 cos
x
2sin
x
(E) 4cos
2
Page 4 of 4
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