Using the above graph, if 10o < x < 60o, what is the value of x for which sin x = cos x?

Using the above graph, if 10^o < x < 60^o, what is the value of x for which sin x = cos x?

A.

0^o

B.

20^o

C.

30^o

D.

45^o

E.

50^o

View answer & explanation

Correct answer is D

From the graph; when sin x = cos x

x = 45^o

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