prove that :tan20 tan30 tan40

  1. prove that ; tan20 . tan30 . tan40 = tan10
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    2. mos asked by mos
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  2. prove that :tan20 tan30 tan40 =tan10
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    2. mostafa asked by mostafa
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  3. Prove : Tan20+4Tan20=√3
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    2. Rabinprakash asked by Rabinprakash
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  4. Prove :Tan20+4sin20=square root 3
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    2. Rabin asked by Rabin
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  5. Write each expression as sine, cosine, or tangent of an angle. Then find the exact value of the expressiontan 50-tan20/1+ tan 50
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    2. ama asked by ama
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  6. Tan20+4sin20=√3
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    2. Rabinprakash asked by Rabinprakash
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  7. Tan30
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    2. Sonu kumar asked by Sonu kumar
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  8. how can the value of tan30 be found?
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    2. shameel asked by shameel
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  9. Simplify: sin60/tan30
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    2. Christopher asked by Christopher
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  10. Find the actual value ofCos45+sin60-tan30 by showing all our working out
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    2. sametlyn asked by sametlyn
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