Question: Derive formula (9). cos a - a + B sin- 2 cos 3 = -2 sin- a - B 2
Derive formula (9).
cos a - a + B sin- 2 cos 3 = -2 sin- a - B 2
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To derive formula 9 cos cos 2sin 2 sin 2 well use the sumtoproduct trigonometric identities The sumt... View full answer
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