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