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https://math.answers.com/math-and-arithmetic/How_Tan1Tan20Tan45tan60Tan79_is_equal_to_1

How Tan1Tan20Tan45tan60Tan79 is equal to 1? - Answers

It isn't, but here is a corrected equation that is: tan1 x tan 20 x tan 45 x tan 70 x tan 89 = 1 It will then work because tan(45 + x) = 1/tan(45 - x). Hence tan1 cancels when multiplied with tan89, and tan20 cancels with tan70. tan 45 equals 1, and so the whole expression cancels to 1. I think this effect was what the equation was intended to demonstrate.



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How Tan1Tan20Tan45tan60Tan79 is equal to 1? - Answers

https://math.answers.com/math-and-arithmetic/How_Tan1Tan20Tan45tan60Tan79_is_equal_to_1

It isn't, but here is a corrected equation that is: tan1 x tan 20 x tan 45 x tan 70 x tan 89 = 1 It will then work because tan(45 + x) = 1/tan(45 - x). Hence tan1 cancels when multiplied with tan89, and tan20 cancels with tan70. tan 45 equals 1, and so the whole expression cancels to 1. I think this effect was what the equation was intended to demonstrate.



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https://math.answers.com/math-and-arithmetic/How_Tan1Tan20Tan45tan60Tan79_is_equal_to_1

How Tan1Tan20Tan45tan60Tan79 is equal to 1? - Answers

It isn't, but here is a corrected equation that is: tan1 x tan 20 x tan 45 x tan 70 x tan 89 = 1 It will then work because tan(45 + x) = 1/tan(45 - x). Hence tan1 cancels when multiplied with tan89, and tan20 cancels with tan70. tan 45 equals 1, and so the whole expression cancels to 1. I think this effect was what the equation was intended to demonstrate.

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      It isn't, but here is a corrected equation that is: tan1 x tan 20 x tan 45 x tan 70 x tan 89 = 1 It will then work because tan(45 + x) = 1/tan(45 - x). Hence tan1 cancels when multiplied with tan89, and tan20 cancels with tan70. tan 45 equals 1, and so the whole expression cancels to 1. I think this effect was what the equation was intended to demonstrate.

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