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Byju's Answer
Standard XII
Mathematics
Trigonometric Ratios of Compound Angles
Prove that- s...
Question
Prove that- sin 5x - 2 sin 3x + sin x/ cos 5x - cos x = tan x
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Q.
Prove that
sin
5
x
+
sin
x
−
2
sin
3
x
cos
5
x
−
cos
x
=
tan
x
Q.
Prove:
sin
x
−
sin
3
x
+
sin
5
x
−
sin
7
x
cos
x
−
cos
3
x
−
cos
5
x
+
cos
7
x
=
cot
2
x
Q.
Prove that
sin
x
+
sin
3
x
+
sin
5
x
+
sin
7
x
=
4
cos
x
cos
2
x
sin
4
x
Q.
Prove that
cos
2
x
cos
x
2
−
cos
3
x
cos
9
x
2
=
sin
5
x
sin
5
x
2
Q.
Prove that
sin
9
x
+
sin
7
x
+
sin
5
x
+
sin
3
x
cos
9
x
+
cos
7
x
+
cos
5
x
+
cos
3
x
=
tan
6
x
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