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# Further GCSE Maths Help Watch

1. Prove that

Sin THETA - Sin^3THETA / Cos^3 THETA = Tan THETA

I assume you use the rule that Sin THETA / Cos THETA = Tan THETA but apart from that I'm stuck
2. So Sin theta and sin^3 theta are both over cos^3 theta or just sin^3 theta/cos^3 theta?
3. (Original post by Xzerzes)
So Sin theta and sin^3 theta are both over cos^3 theta or just sin^3 theta/cos^3 theta?
4. .
Remember that .

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