1,641.
Using the above graph, if 10o < x < 60o, what is the value of x for which sin x = cos x?
A.
0o
B.
20o
C.
30o
D.
45o
E.
50o
Correct answer is D
From the graph; when sin x = cos x
x = 45o
1,642.
A.
3.05cm2
B.
8.20cm2
C.
16.20cm2
D.
24.40cm2
E.
48.8cm2
Correct answer is E
Area of ABDE = b x h
12.2 x 4 = 48.8cm 2
1,643.
In the diagram above, ∠SPR = P and ∠SQR = 2x. Find x in terms of P
A.
x = p + 2
B.
x = p - 2
C.
x = p2
D.
x = p/2
E.
x = 2p
Correct answer is D
P = 2x (angle in the same segment);
x = p/2
1,644.
A.
6.8%
B.
7.3%
C.
9.6%
D.
14.4%
E.
15.4%
Correct answer is B
% error =
errorexact
x 1001
=
0.091.23
x 1001
= 7.3% 1,645.
The angle of elevation of X from Y is 30o. If XY = 40m, how high is X above the level of Y?
A.
10m
B.
20m
C.
20√3m
D.
40m
E.
50m
Correct answer is B
No explanation has been provided for this answer.
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