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Can someone help me with sub multiple angles trigonometry pls​
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Can someone help me with sub multiple angles trigonometry pls​

User Nick ONeill
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Answer:

These photos have the formulas of sub multiple angle trigonometry.

Hope it helps:)

Can someone help me with sub multiple angles trigonometry pls​-example-1
Can someone help me with sub multiple angles trigonometry pls​-example-2
User Smyslov
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