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OpenStudy (anonymous):
Help please! simplify cos(126°)cos(36°) + sin(126°)sin(36°)
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OpenStudy (anonymous):
cos(126°)cos(36°) + sin(126°)sin(36°) = cos (126° - 36°) = cos (90°) =0
OpenStudy (anonymous):
hope this helped
OpenStudy (anonymous):
yes thank you!
OpenStudy (anonymous):
your welcome
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