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Trig identity
Is there another way to do it? I havent learnt the sums to products method.- philly2000
- Post #3
- Forum: Mathematics Extension 1
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Trig identity
Prove sin^{2}5A - sin^{2}3A \equiv sin8A sin2A Thanks!- philly2000
- Thread
- Replies: 8
- Forum: Mathematics Extension 1
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Triangle Questions
thanks kurt.physics! think my brain is dying... it was so simple- philly2000
- Post #3
- Forum: Mathematics Advanced
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Triangle Questions
Hey all, can you help me with q 2) c) and 3) iii), thanks!- philly2000
- Thread
- Replies: 10
- Forum: Mathematics Advanced
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