I'm trying to simplify this myself but I don't see how it is done. Help would be appreciated.
How does wolframalpha get from cos(a+b)tan(a)-sin(a+b) to -sec(a) sin(b)?
- Posted:
- 3+ months ago by mr_kapia
- Topics:
- math, trigonometry
Details:
Added 3+ months ago:
I've figured it out so feel free to ignore this question.
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