In a right angled triangle ABC, right angled at Band 15cosA=8sin,thensinA+cosA/2cosA-sinA
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15 cosA =8 sinA
SinA/cosA=8/15
TanA=8/15
SinA=8/17,cosA=15/17
SinA+cosA/2cosA-sonA=(8/17+15/17)/2(15/17-8/17)
=23/14
SinA/cosA=8/15
TanA=8/15
SinA=8/17,cosA=15/17
SinA+cosA/2cosA-sonA=(8/17+15/17)/2(15/17-8/17)
=23/14
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