Sin x + sin 3x + sin 5x + sin 7x is equal to 4 cos x cos 2x sin 4x
Answers
Answered by
2
Answer:
Step-by-step explanation:
brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest brainliest
Attachments:
Similar questions