A ratio is a one or more letter term
2(n+7) =3n
n = 14
<span>n = 14</span>
Answer:
63
Step-by-step explanation:
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Answer:
Line c
Step-by-step explanation:
y=
Cos² 2x = (1+cos 4x )/2
cos² 6x = (1+cos 12x)/2
subtract to get 1/2 (cos 4x - cos 12x )
= 1/2 (2 sin 4x sin 8x ) as cos A - cos B = 2 [ sin (A+B)/2 sin (A-B)/2 ]
so the answer
