Make a conjecture. Choose the correct answer below. A. cos 4x - sin 4x = (cos x)² B. cos x - sin^x= cos x C. cosx- sin^x= cos 2x

Question

Make a conjecture. Choose the correct answer below. A. cos 4x - sin 4x = (cos x)² B. cos x - sin^x= cos x C. cosx- sin^x= cos 2x D. cos 4x - sin4x = (cos 2x)² cos 4x - sin 4x = (cos²x- sin2x) (cos²x+ sin²x)

Kunduz · Accepted Answer

Click to see the answer