When are sines/ cosines/logs distributive
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When are sines/ cosines/logs distributive

[From: ] [author: ] [Date: 12-09-04] [Hit: ]
If not, please explain why such functions are not distributive. Cheers!-Okay - what youre showing is that MULTIPLICATION is commutative, even if a term is the sine of something. Yes - sinѲ (sinѲ +1) can be distrubted to get sin^2Ѳ + sinѲ.......
I always thought they weren't but they can be factored out:
For example sin^2Ѳ +sinѲ = sinѲ (sinѲ +1) and you could just multiply back out to what you had originally do doesn't this make them distributive??

If so, please explain the rules as to when they are distributive. If not, please explain why such functions are not distributive. Cheers!

-
Okay - what you're showing is that MULTIPLICATION is commutative, even if a term is the sine of something. Yes - sinѲ (sinѲ +1) can be distrubted to get sin^2Ѳ + sinѲ.

However to say that "sines are distrubutive" would mean that:

sin (a+b) = sin a + sin b.

In general, this is NOT true. The same goes for cosine and logarithms.
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