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Mathematics 19 Online
OpenStudy (anonymous):

please help .7=cos(thetha - 30 degrees) im trying to find the value of thetha?

hartnn (hartnn):

cos 45 = 0.7 so cos 45 = cos (theta-30) 45= theta-30 theta = ?

OpenStudy (anonymous):

can you do it by using the inverse cosine ?

hartnn (hartnn):

cos^-1 (0.7) u need calculator then

OpenStudy (anonymous):

thank you

hartnn (hartnn):

welcome :)

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