Project #9769 - trigonometry

 

 

Which point is on the graph of y = –2cos x?

A. (2, 0)

 

                                                      B. (0, -2)

 

 

C. (2, -2)

 

 

D. (0,0)

 

 

?

At what point the graph of f(x) = 2cos x – 1 intersects the x-axis?

 

 

A.

 

B.

 

C.

 

D.

?

Let tan . Which is cot x?

 

 

A. 0.5
B. 1
C. 1.5
D. 2

?

Let tan . Which is tan x?

 

A. 0.25
B. 2.5
C. 0.5
D. 5

 

 

?

Let tan A = 7 and tan B = 9. Which is cot A + cot B?

 

 

A. 0.06
B. 0.6
C. 0.25
D. .126984

 

 

?

Let sin x = .22. Which sec x?

 

A. 1.03
B. 1.13
C. 1.33
D. 1.30

 

 

?

Let cos y = .98. Which is csc y?

A. .5
B. 5.05
C. 5
D. 5.5

 

?

 

?

 

Let (sin x)(cos x) = .35 and sin x + cos x = 1.30. Which is (csc x) + (sec x)?
A. 3.71
B. 2.17
C. 3.77
D. 2.71

 

 

?

Let tan x = .04 and tan y = .05. Which is cot x + cot y?

A. 40
B. 45
C. 4.5
D. 4.0

 

 

Which point is on the graph of f(x) = –3sin x + 14?

 

A.

 

B.

 

C.

 

D.

?

Let sin x = .72 and cos y = .72. Which is csc x – csc y?

 

A. .65
B. -.56
C. .60
D. -.06

 

 

?

Let (sin x) + (cos x) = 1.06 and csc x + sec x = 6.58. Which is (sin x)(cos x) ?

 

 

A. .13
B. .1602
C. .18
D. .0618

 

 

?

Let tan x = 12 and cot y = 16. Which is cot x + tan y?

 

A. 0.12
B. 0.14
C. .10
D. 0.15

 

 

?

 

 

 

 

 

 

Subject Mathematics
Due By (Pacific Time) 07/26/2013 01:00 pm
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