Mistake in Trig topic notes?

Submitted by carpetguy on Sat, 11/11/2017 - 20:25

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In the commentary bit at the end of the symmetry section on the first page it says sin(-a) = sin(a) etc. I assume it means sin(-a) = -sin(a).

Permalink Submitted by carpetguy on Sat, 11/11/2017 - 20:26

I don't see where the edit function is, so I'll add here.
(STEP II modules)

Permalink Submitted by cg213 on Sat, 11/11/2017 - 20:30

Thanks - I'll sort it on Monday! Don't think you can edit posts (I know I can as "staff")

Permalink Submitted by cg213 on Mon, 11/13/2017 - 09:45

I have changed the notes. Thanks for letting us know!

Permalink Submitted by cg213 on Mon, 11/13/2017 - 09:47

The revised notes are at:

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