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OpenStudy (anonymous):
Write the expression as either the sine, cosine, or tangent of a single angle. sin 57° cos 13° - cos 57° sin 13°
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OpenStudy (anonymous):
cos 70 or cos 40
OpenStudy (anonymous):
sin(57-13)
OpenStudy (anonymous):
44
OpenStudy (anonymous):
yep
OpenStudy (ghazi):
use sin (a-b) you'll have sin44
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OpenStudy (anonymous):
oops its sin (A - B )
OpenStudy (anonymous):
so sin 44 !
OpenStudy (ghazi):
yes
OpenStudy (anonymous):
thanks again guys !!!
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