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Math Drills
Trigonometric ratios & functions
Combining sine & cosine
Practice 1
Trigonometric ratios & functions
Combining sine & cosine
1 / 5
Standard
Choose the expression equal to this one.
sin
x
−
cos
x
\sin x - \cos x
sin
x
−
cos
x
1
2
sin
(
x
−
π
4
)
\sqrt{2}\sin\left(x - \frac{\pi }{4}\right)
2
sin
(
x
−
4
π
)
2
2
sin
(
x
+
π
4
)
\sqrt{2}\sin\left(x + \frac{\pi }{4}\right)
2
sin
(
x
+
4
π
)
3
2
sin
(
x
−
3
π
4
)
\sqrt{2}\sin\left(x - \frac{3\pi }{4}\right)
2
sin
(
x
−
4
3
π
)
4
2
sin
(
x
−
π
4
)
2\sin\left(x - \frac{\pi }{4}\right)
2
sin
(
x
−
4
π
)
Answer
