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Mathematics 8 Online
OpenStudy (anonymous):

Why/how does sen^2(π/2-α)-sen(3π/2)-cos^2(π+α) equal to 1?

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

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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