question no 10 slove plz
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Cosec A=15/7
THIS implies 1/sinA=15/7
SinA=7/15
A+B=90
So A=90-B
Sin(90-B)=cosB
CosB=7/15
SecB=1/cosB=15/7
THIS implies 1/sinA=15/7
SinA=7/15
A+B=90
So A=90-B
Sin(90-B)=cosB
CosB=7/15
SecB=1/cosB=15/7
dkay:
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ya cos b ki valu 7/15 h ya 15/7
7/15
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