Single Answer MCQ
Q-00051652
Which of the following represents the angle sum formula for sine?
1
sin(x + y) = sin(x) + sin(y)
2
sin(x + y) = sin(x)cos(y) + cos(x)sin(y)
3
sin(x + y) = sin(x)sin(y)
4
sin(x + y) = cos(x)cos(y) - sin(x)sin(y)
Answer and Solution
Answer
B. sin(x + y) = sin(x)cos(y) + cos(x)sin(y)
Solution:
The angle sum identity for sine is sin(x + y) = sin(x)cos(y) + cos(x)sin(y).
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