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How can you calculate value of cos20? - Answers

the simple way to culculate this value is to ist consider the basic trignometric ratio near to 20. Than we come that 30 is near to it and cos30 is equal to 0.866 now for 1 dgree rise or fall the costheta decrese by the factor 0.0009 since cos20 is 10 dgree far frm thrty so multiply 0.0009 by 10 and subtract from 0.866. U wil get answer of cos20



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How can you calculate value of cos20? - Answers

https://math.answers.com/math-and-arithmetic/How_can_you_calculate_value_of_cos20

the simple way to culculate this value is to ist consider the basic trignometric ratio near to 20. Than we come that 30 is near to it and cos30 is equal to 0.866 now for 1 dgree rise or fall the costheta decrese by the factor 0.0009 since cos20 is 10 dgree far frm thrty so multiply 0.0009 by 10 and subtract from 0.866. U wil get answer of cos20



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https://math.answers.com/math-and-arithmetic/How_can_you_calculate_value_of_cos20

How can you calculate value of cos20? - Answers

the simple way to culculate this value is to ist consider the basic trignometric ratio near to 20. Than we come that 30 is near to it and cos30 is equal to 0.866 now for 1 dgree rise or fall the costheta decrese by the factor 0.0009 since cos20 is 10 dgree far frm thrty so multiply 0.0009 by 10 and subtract from 0.866. U wil get answer of cos20

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      the simple way to culculate this value is to ist consider the basic trignometric ratio near to 20. Than we come that 30 is near to it and cos30 is equal to 0.866 now for 1 dgree rise or fall the costheta decrese by the factor 0.0009 since cos20 is 10 dgree far frm thrty so multiply 0.0009 by 10 and subtract from 0.866. U wil get answer of cos20

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