Question

If reR , x is not divisible by x, then simplify: sin x + sin 3x + sin 5x + sin 7x
1-COS.X
(a)
2 sin x
1- cos 8x
(b)
2 sin x
1-cos2.r
(C)
2 sin x
1-cos 8x
(d)
sin 2.x
Answer
A​

Answer 1

Answer:

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