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Are Product to Sum Trig Identities in Syllabus? (1 Viewer)

Thread starter Cleavage
Start date Apr 21, 2014

Cleavage

Clarence

#1

^

Last edited: Apr 21, 2014

rumbleroar

Survivor of the HSC

#2

No, they aren't. They'll get you to show it in a previous question before asking you to do it.

D

dunjaaa

Active Member

#3

As a 4u student, you should know how to derive them. It's not that hard lol

B

braintic

Well-Known Member

#4

Not sure why they took them out 30 years ago.

That and 3-D coordinate geometry.

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