prove that sinA -2 sin,^3A/2^cos^3A-cosA
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so sinA-2sin^3A/2cos^3A-CosA =TanA
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Answered by
1
Answer: sinA-2sin^3A / 2cos^3A-cosA = tanA
Step-by-step explanation:Pic
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![](https://hi-static.z-dn.net/files/d9d/c5895d7f04f5fdffcc7b9b3817329bf5.jpg)
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