For cos x cos 3x – sin x sin 3x = 0, use an addition or...

Question

Question

For cos x cos 3x – sin x sin 3x = 0, use an addition or subtraction formula to simplify the equation and then find all soluti

Answer 1

Answer #1

* Solution Cosa cos3x- Sines4532 = 0 H, = ? 12 = ? 13 = ? 24 = ? COCU+) Cosacos (B2 sin (a) sin (3) a=r B = 32 Cos (a +B)- 0

Answer 2

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