If sine x equals cosine x, what is x in radians?
A
\(\frac{\pi}{2}\)
B
\(\frac{\pi}{3}\)
C
\(\frac{\pi}{4}\)
D
\(\frac{\pi}{6}\)
E
\(\frac{\pi}{12}\)
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
\(\sin x = \cos x\)
\(\implies x = 45^\circ\)
In radians, \(x = \frac{\pi}{4}\).
Source: Myschool Past Questions Archive (Record #32547)