90: left parenthesis, cos left parenthesis, 90 times StartFraction, pi Over left parenthesis, 180 , right parenthesis , EndFraction , right parenthesis , sin left parenthesis, 90 times StartFraction, pi Over 180 , EndFraction , right parenthesis , right parenthesis equals left parenthesis, 0 , 1 , right parenthesis Has graph. To audio trace, press ALT+T.cos90·π180,sin90·π180
Label:
equals=
left parenthesis, 0 , 1 , right parenthesis0,1
9
135: left parenthesis, cos left parenthesis, 45 times 3 times StartFraction, pi Over 180 , EndFraction , right parenthesis , sin left parenthesis, 45 times StartFraction, pi Over 180 , EndFraction , right parenthesis , right parenthesis equals left parenthesis, negative 0.7 0 7 1 0 6 7 8 1 1 8 7 , 0.7 0 7 1 0 6 7 8 1 1 8 7 , right parenthesis Has graph. To audio trace, press ALT+T.cos45·3·π180,sin45·π180
180: left parenthesis, cos left parenthesis, 180 times StartFraction, pi Over 180 , EndFraction , right parenthesis , sin left parenthesis, 180 times StartFraction, pi Over 180 , EndFraction , right parenthesis , right parenthesis equals left parenthesis, negative 1 , 0 , right parenthesis Has graph. To audio trace, press ALT+T.cos180·π180,sin180·π180
Label:
equals=
left parenthesis, negative 1 , 0 , right parenthesis−1,0
11
225: left parenthesis, cos left parenthesis, 45 times 5 times StartFraction, pi Over 180 , EndFraction , right parenthesis , sin left parenthesis, 45 times 5 times StartFraction, pi Over 180 , EndFraction , right parenthesis , right parenthesis equals left parenthesis, negative 0.7 0 7 1 0 6 7 8 1 1 8 7 , negative 0.7 0 7 1 0 6 7 8 1 1 8 7 , right parenthesis Has graph. To audio trace, press ALT+T.cos45·5·π180,sin45·5·π180
270: left parenthesis, cos left parenthesis, 45 times 6 times StartFraction, pi Over 180 , EndFraction , right parenthesis , sin left parenthesis, 45 times 6 times StartFraction, pi Over 180 , EndFraction , right parenthesis , right parenthesis equals left parenthesis, 0 , negative 1 , right parenthesis Has graph. To audio trace, press ALT+T.cos45·6·π180,sin45·6·π180
Label:
equals=
left parenthesis, 0 , negative 1 , right parenthesis0,−1
13
315: left parenthesis, cos left parenthesis, 45 times 7 times StartFraction, pi Over 180 , EndFraction , right parenthesis , sin left parenthesis, 45 times 7 times StartFraction, pi Over 180 , EndFraction , right parenthesis , right parenthesis equals left parenthesis, 0.7 0 7 1 0 6 7 8 1 1 8 7 , negative 0.7 0 7 1 0 6 7 8 1 1 8 7 , right parenthesis Has graph. To audio trace, press ALT+T.cos45·7·π180,sin45·7·π180
Expression 17: "y" equals negative StartFraction, sin left parenthesis, 45 times StartNestedFraction, pi NestedOver 180 , EndNestedFraction , right parenthesis Over cos left parenthesis, 45 times 5 times StartNestedFraction, pi NestedOver 180 , EndNestedFraction , right parenthesis , EndFraction "x" Has graph. To audio trace, press ALT+T.y=−sin45·π180cos45·5·π180x
17
They meet at 45 and 225 degrees: left parenthesis, 1 , 1 , right parenthesis Has graph. To audio trace, press ALT+T.1,1