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OpenStudy (anonymous):
Evaluate: sin(Arcsec 1)
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OpenStudy (anonymous):
Arcsec 1 = 0 sin 0 = 0
OpenStudy (anonymous):
arcsec x = 1/cos x
OpenStudy (anonymous):
sec x = 1/cos x
myininaya (myininaya):
hamed is right! :)
OpenStudy (anonymous):
:)
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OpenStudy (anonymous):
damn, i said sec so arcsec is actually meant to be ???
OpenStudy (nikita2):
sec(arcsec1)= 1 => 1/cos(arcsec1) = 1 => cos(arcsec1)=1 => sin(arcsec1) = 0 (for example because sin^2 + cos^2 = 1)
myininaya (myininaya):
heres the other 2 traingles i figure more examples the same way would help
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