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OpenStudy (anonymous):
if sin theta = 1/3 what is cos(90 - theta)
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OpenStudy (lalaly):
\[Cos ( 90° - \theta) = \sin \theta =1/3\]
OpenStudy (anonymous):
can u explain a little XD
OpenStudy (anonymous):
she explained it!
OpenStudy (lalaly):
yes i can explain it jus a min
OpenStudy (anonymous):
thank you :)
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OpenStudy (lalaly):
Draw a right triangle. Let one of the acute angles be x Then the other acute angle must be (90-x), since the sum of the degrees in the triangle must be 180. |dw:1326101687256:dw|
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