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OpenStudy (anonymous):
GIVE MEDAL!!! In the figure, mA = mF. Which quantity is sin C equal to? cos F sin F cos D sin A
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OpenStudy (anonymous):
OpenStudy (anonymous):
@teagirl7630
OpenStudy (mrnood):
you know that cos(x) = sin (90-x) ??
OpenStudy (anonymous):
idk xD
OpenStudy (mrnood):
and sin(x) = cos (90-x) so what is sin (C) in terms of angle A ?
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OpenStudy (mrnood):
in all triangles the 3 angles add up to 180 in a right angle triangle the biggest is 90 deg - so what do the 2 small angles add up to?
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