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Prove that following identities: tan θ tan (θ+60∘)+tan θ tan(θ−60∘)+tan(θ+60∘) tan(θ−60∘)=−3 |
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Answer» Prove that following identities: tan θ tan (θ+60∘)+tan θ tan(θ−60∘)+tan(θ+60∘) tan(θ−60∘)=−3 |
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