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OpenStudy (anonymous):
Why/how does sen^2(π/2-α)-sen(3π/2)-cos^2(π+α) equal to 1?
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OpenStudy (anonymous):
:|
myininaya (myininaya):
what is sen?
myininaya (myininaya):
is that a new trig function?
OpenStudy (anonymous):
sen=sin
OpenStudy (anonymous):
sen? , its not like ts a little mistake , cant be sec because c is no where near n on the keyboard
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OpenStudy (anonymous):
cnt be sin because e ad i are not close either
myininaya (myininaya):
OpenStudy (anonymous):
you're a life saver, thank you
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