How to simplify tri...

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# How to simplify trig

Posts: 37
A2 Maths, A2 Biology
Topic starter
(@kourosh)
Eminent Member
Joined: 3 years ago
Posts: 53
(@tye)
Trusted Member
Joined: 2 years ago

I would expand it first

$4sin^2(x) + 8sin(x)cos(x) + 4cos^2(x)$

Now I can see an AS identity and a double angle identity....

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