23zabljul 23zabljul

28-06-2022
Mathematics

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If sin(theta) = 4/7, what is cos(theta)? PLEASE HELP!

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lazypatato lazypatato

28-06-2022

Step-by-step explanation:

sin(theta)=4/7

cos(theta)=√1-sin²theta

=√1-(4/7)²

=√1-16/49

=√(49-16)/49

= √33/49

=(√33)/7

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