Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Which of the following is an equivalent single–sine form of
3
sin
x
+
4
cos
x
3\sin x + 4\cos x
3
sin
x
+
4
cos
x
? a)
5
sin
(
x
−
53
∘
)
5\sin\bigl(x-53^{\circ}\bigr)
5
sin
(
x
−
5
3
∘
)
b)
5
sin
(
x
+
53
∘
)
5\sin\bigl(x+53^{\circ}\bigr)
5
sin
(
x
+
5
3
∘
)
c)
5
sin
(
x
+
37
∘
)
5\sin\bigl(x+37^{\circ}\bigr)
5
sin
(
x
+
3
7
∘
)
d)
4
sin
(
x
+
53
∘
)
4\sin\bigl(x+53^{\circ}\bigr)
4
sin
(
x
+
5
3
∘
)
Browse the problem library