G(1) = 0 = lgn= ) +m g(n) = g(n - 1) +n = - n g(2) =
1 answer:
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Answer:
cos(3x) --> cos³(x) - 3sin²(x)cos(x)
Step-by-step explanation:
The text in pink are the trig identities I used to convert cos(2x) and sin(2x) into their other equivalent forms.
This question is pretty much asking if you know how to use your trig identities if i understand it correctly.
