Using the above graph, if 10o < x < 60
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
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