Heeelp !
simplify the expression :
[tex] arctan(1 - \sqrt{2} ) - arctan(1 + \sqrt{2)} [...
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What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3
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Mathematics, 21.06.2019 18:00
Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.
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Mathematics, 21.06.2019 20:20
Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)
Answers: 3
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