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Class XI
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Chapter 3
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Product-to-sum and sum-to-product formulas
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Quiz
Class XI
Quick check : Product-to-sum and conversions
6 questions
Question 1 of 6
Score:
0
/ 0
A
sin
(
A
+
B
)
+
sin
(
A
−
B
)
\sin(A+B) + \sin(A-B)
sin
(
A
+
B
)
+
sin
(
A
−
B
)
B
sin
(
A
+
B
)
−
sin
(
A
−
B
)
\sin(A+B) - \sin(A-B)
sin
(
A
+
B
)
−
sin
(
A
−
B
)
C
cos
(
A
+
B
)
+
cos
(
A
−
B
)
\cos(A+B) + \cos(A-B)
cos
(
A
+
B
)
+
cos
(
A
−
B
)
D
cos
(
A
−
B
)
−
cos
(
A
+
B
)
\cos(A-B) - \cos(A+B)
cos
(
A
−
B
)
−
cos
(
A
+
B
)
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