Mathematics · Trigonometry
Which of the following is the correct identity for sin(mx) cos(nx)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 112 [sin(m) - cos(n)]x
- 2(m + n)x
- 312 sin(m + n)x
- 412 [sin(m + n)x + sin(m - n)x]✓
Correct answer
12 [sin(m + n)x + sin(m - n)x]
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