Asked by Walter
Work out the following identities
a)sin pheta / cos pheta
b)tan pheta cos pheta
a)sin pheta / cos pheta
b)tan pheta cos pheta
Answers
Answered by
FredR
sin(a)/cos(a)=tan(a)
tan(a)*cos(a)=sin(a)*cos(a)/cos(a)=sin(a)
tan(a)*cos(a)=sin(a)*cos(a)/cos(a)=sin(a)
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