Recommended Questions
- Prove that: tan20^0tan40^0tan80^0=tan60^0
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- Prove that: tan20^0tan40^0tan80^0=tan60^0
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- Prove that tan20^0tan40^0tan80^0=tan60^0
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- If tan20^(@)+tan40^(@)+tan80^(@)-tan60^(@)=lambda sin40^(0)
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- tan20^(@)+tan40^(@)+tan60^(@)+.........+tan160^(@)+tan180^(@)=
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- tan20^(@)tan40^(@)tan60^(@)tan80^(@)
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- tan20 + tan40 + tan60 + ......... + tan180
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- Prove that: t a n 20^@tan40^@tan60^@tan80^@=3
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- Prove that : tan 20^0 tan 40^0 tan 60^0 tan 80^0 =3
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