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})
Correct Answer: Option C
Explanation
(sin x = cos x)
(implies x = 45°)
In radians, (x = frac{pi}{4}).
If sine x equals cosine x, what is x in radians?
(sin x = cos x)
(implies x = 45°)
In radians, (x = frac{pi}{4}).