6.1 Trig Ratios for any Any Angle in Standard Position
Expression 5: "y" equals negative StartRoot, 1 minus "x" squared , EndRoot left brace, negative 1 less than "x" less than cos left parenthesis, "a" , right parenthesis , right brace left brace, 180 less than "a" less than 361 , right bracey=−1−x2−1<x<cosa180<a<361
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5
Hidden Label: left parenthesis, cos "a" , sin "a" , right parenthesiscosa,sina
Expression 7: "y" equals left parenthesis, tan "a" , right parenthesis times "x" left brace, 0 less than "x" less than cos "a" , right bracey=tana·x0<x<cosa
7
Expression 8: "y" equals left parenthesis, tan "a" , right parenthesis times "x" left brace, cos "a" less than "x" less than 0 , right bracey=tana·xcosa<x<0
8
Expression 9: "y" equals 0 left brace, 0 less than "x" less than 1 , right bracey=00<x<1